At the moment of physical birth, every human being inherits a sin nature, passed down from Adam (Rom 5:12; Psa 51:5). This sin nature is the inner source of human corruption, influencing thoughts, emotions, and behaviors in opposition to God’s will (Jer 17:9; Mark 7:21-23). It manifests in various ways, ranging from self-righteous moralism to overt lawlessness, but both trends operate under the same principle—rebellion against divine righteousness. The unbeliever, possessing only the sin nature, has no spiritual life, no capacity for fellowship with God, and remains in a state of total depravity (Eph 2:1-3; Col 2:13). He may be moral or immoral, religious or irreligious, but he is always spiritually dead and incapable of pleasing God (Rom 8:7-8).
The sin nature has two primary trends—legalism and lawlessness. Those who trend toward legalism emphasize morality, religious works, and human effort as a means of achieving divine approval. These individuals often create and adhere to systems of manmade religion, attempting to approach God through ritual, self-denial, or personal merit. Such efforts are futile because salvation is by grace alone, through faith alone, in Christ alone, apart from works (Rom 4:4-5; Eph 2:8-9; Tit 3:5). Even after salvation, believers with a legalistic trend may fall into self-righteous arrogance, failing to recognize that the Christian life is lived by grace, not by works (Gal 3:1-3; 5:4). On the other hand, those who trend toward lawlessness indulge in sinful pleasures, rejecting divine authority in favor of unrestrained lusts. This results in patterns of behavior that include immorality, substance abuse, criminal activity, and a general pursuit of pleasure at the expense of divine viewpoint (Rom 1:24-32; Eph 4:17-19). These individuals seek happiness in temporal things, but their pursuits lead only to further enslavement to the flesh and eventual divine discipline (Gal 6:7-8; Heb 12:5-6).
At the moment of faith in Christ, the believer receives a new nature, one that is created by God in righteousness and holiness of the truth (2 Cor 5:17; Eph 4:22-24; Col 3:9-10). This new nature, referred to as the “new man,” desires to obey God, learn doctrine, and live in a manner pleasing to the Lord (Rom 7:22; 1 John 3:9). However, the old sin nature is not eradicated at salvation. Instead, the believer enters into a lifelong conflict between the flesh and the Spirit (Rom 7:14-25; Gal 5:16-17). Victory in this conflict is only achieved through the consistent intake and application of Bible doctrine under the filling of the Holy Spirit (Rom 12:2; Eph 5:18; Col 3:16). While the sin nature’s ruling power has been broken (Rom 6:11-14), its presence remains until we receive our glorified bodies (1 Cor 15:51-53; Phil 3:20-21; 1 John 3:5). The Christian life is not about suppressing the sin nature through human effort, but about growing in grace and knowledge (2 Pet 3:18), renewing the mind with divine truth (Rom 12:2), and living under the power of the Holy Spirit (Gal 5:22-23; Eph 5:18). Only by operating under divine power can the believer experience true victory over the sin nature and advance to spiritual maturity, fulfilling the purpose for which they were saved (Eph 2:10; Phil 2:12-13).
Differences Between the Sin Nature and New Nature
The sin nature, driven by selfish desires and the impulse to dominate (Rom 7:18; Gal 5:17), operates with urgency, seeking immediate gratification and exerting pressure to act contrary to God’s will. Paul describes this as a war between the flesh and the Spirit (Gal 5:16-17). The sin nature is not passive—it demands, manipulates, and entices, drawing believers toward self-centeredness. In contrast, the new nature, imparted at salvation (Eph 4:24; Col 3:9-10; 1 John 2:29; 3:9), is characterized by the fruit of the Spirit—love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, and self-control (Gal 5:22-23). Unlike the sin nature, which compels through pressure, the new nature functions through positive volition, inviting the believer to walk in obedience. The Holy Spirit leads with conviction, encouragement, and truth (John 16:13; Rom 8:14), and the believer must choose to follow Him (Gal 5:25). The sin nature defies this process, ensuring an ongoing struggle for those who walk by the Spirit.
Before salvation, we were conditioned by the habits and instincts of the sin nature (Eph 2:1-3). Even after being made new in Christ (2 Cor 5:17) and receiving the indwelling Holy Spirit (Rom 8:9), our thinking and decision-making remain influenced by past experiences. The flesh has ingrained patterns—self-preservation, pride, impatience, impulsiveness—that do not disappear instantly. Spiritual growth involves unlearning these old patterns and aligning our thoughts with God’s truth. Romans 12:2 calls for transformation through the renewal of the mind, while Hebrews 5:14 associates maturity with discernment between good and evil. This process replaces human viewpoint with divine viewpoint (Rom 12:1-2). As we learn God’s Word (2 Tim 3:16-17; 1 Pet 2:2), we can walk by faith (2 Cor 5:7; Heb 10:38) in the filling and power of the Spirit (Gal 5:16; Eph 5:18), aligning with our new nature in Christ (1 John 3:6, 9).
As we grow in Christ, we become more attuned to the Spirit’s leading. Unlike the flesh, which compels and pressures, the new nature operates through the calm conviction of the Spirit (John 16:13; Rom 8:14). This requires spiritual attentiveness—reading to the Word, walking by faith, and yielding to the Spirit’s direction. Over time, we develop an increasing sensitivity to His guidance, much like a musician refining their ear for subtle variations in tone and pitch. Initially, distinguishing the aggressive pull of the flesh from the gentle leading of the Spirit can be challenging. But through consistent exposure to Scripture (Psa 119:105; 2 Tim 3:16-17), prayer, and application of Bible doctrine (Jam 1:22), we become more responsive to the Spirit’s voice. Spiritual growth is not instantaneous but a lifelong process of learning, failing, and being refined (Phil 1:6; 2 Pet 3:18). The challenge for the believer is daily choosing to yield to the Spirit rather than the flesh (Rom 6:11-13).
In summary, every human inherits a sin nature from Adam, which corrupts thoughts and behaviors in opposition to God (Jer 17:9; Rom 5:12). This nature manifests in both self-righteous legalism and lawless indulgence, leaving unbelievers spiritually dead and incapable of pleasing God (Rom 8:7-8; Eph 2:1-3). At salvation, believers receive a new nature, created in righteousness, yet the old sin nature remains, leading to an ongoing battle between the flesh and the Spirit (Rom 7:14-25; Gal 5:16-17). Spiritual victory comes not through human effort but by renewing the mind with God’s Word and walking in the power of the Holy Spirit (Rom 12:2; Gal 5:16; Eph 5:18). As believers grow in grace, they learn to reject the flesh’s impulses and align their lives with divine truth, fulfilling God’s purpose and glorifying Him (Phil 1:6; 2 Pet 3:18).
Dr. Steven R. Cook
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There are four basic views concerning who saves. First is autosoterism (auto = self + soter = savior) which is a belief that entrance into heaven is entirely by good works. Autosoterists don’t feel they need salvation from an outside source. Their good works are enough. Second is syntheosoterism (syn = with + theo = God + soter = savior) which is a belief that people partner with God and contribute to their initial salvation by good works, or a promise to perform them. These frontload the gospel with some human requirement in addition to faith in Jesus (i.e., turn from all their sin, keep the Sabbath, water baptism, etc.). Third is posttheosoterism (post – after + theo = God + soter = savior) which is the belief that salvation is by grace alone, through faith alone, in Christ alone, but later, after being saved, the Christians are persuaded they must perform good works to keep themselves saved (like the Christians in Galatia). Last is solatheosoterism (sola = alone + theo = God + soter = savior), which is the belief that salvation is entirely a work of God through Christ and is provided by grace alone, though faith alone, in Christ alone, plus nothing more. In this view, salvation is a gift from God, freely given and freely received with no requirement of good works before, during, or after receiving salvation. These understand that good works should follow salvation (Eph 2:10), but they are never the condition of it. These four views are unpacked in the rest of this article.
Autosoterism
The autosoterists believe that, from beginning to end, they save themselves by adhering to a moral code that will secure their entrance into heaven. In this system of thought, the Bible becomes a moral guide to one’s path to heaven (perhaps among other guides). I’ve personally heard people say, “I’ll keep the Ten Commandments and hope God lets me into heaven”, or “I’ll love God and my neighbor and trust that He will let me into His kingdom when I die.” Historically, this would be similar to Pelagianism, a teaching derived from a British monk named Pelagius who lived and preached in Rome circa A.D. 400. According to Ryrie, Pelagius “believed that since God would not command anything that was not possible, and that since He has commanded men to be holy, everyone therefore can live a life that is free from sin.”[1] In this teaching, a person needs only follow God’s laws to be saved from hell and accepted into heaven. From beginning to end, this is a works-salvation.
The problem with autosoterism—among several—is that those who think they can save themselves by works fail to grasp God’s absolute standard of righteousness to gain entrance into heaven. The Bible reveals God is holy (Psa 99:9; Isa 6:3), which means He is perfectly righteous and completely set apart from sin (Psa 99:9; 1 Pet 1:14-16). Because God is holy, He cannot have anything to do with sin except to condemn it. The Scripture states, “Your eyes are too pure to approve evil, and You cannot look on wickedness with favor” (Hab 1:13), and “This is the message we have heard from Him and announce to you, that God is Light, and in Him there is no darkness at all” (1 John 1:5). Autosoterists also fail to understand the biblical teaching about sin and total depravity, in which sin permeates every aspect of our being—intellect, body, will, and sensibilities—and that we are helpless to correct our fallen position. The biblical teaching is that all mankind is sinful and separated from God (Rom 3:10-23). We are sinners in Adam (Rom 5:12; 1 Cor 15:21-22), sinners by nature (Rom 7:14-25; 13:12-14), sinners by choice (Isa 59:2; Jam 1:14-15), and completely helpless to solve the sin problem and save ourselves (Rom 5:6-10; Eph 2:1-3). Good works have no saving merit before God (Isa 64:6; Rom 4:4-5; Eph 2:8-9; Tit 3:5). Paul wrote, “we maintain that a man is justified by faith apart from works of the Law” (Rom 3:28), and “a man is not justified by the works of the Law but through faith in Christ Jesus, even we have believed in Christ Jesus, so that we may be justified by faith in Christ and not by the works of the Law; since by the works of the Law no flesh will be justified” (Gal 2:16).
Furthermore, autosoterists are trapped in a vague system of rules-for-salvation that can never provide assurance of their salvation. No matter how much good they do, there is always that nagging question, “have I done enough?” The reason they can never have assurance of their salvation is because the Bible does not teach that salvation is by human works, either in total or in part. Those who approach God by their works are in want of any passage of Scripture that can provide them assurance they’ve done enough to secure their place in heaven. For if one performs a hundred good works during a lifetime, how do they know that God doesn’t require a hundred and one, or a hundred and two? They don’t, because the Bible does not teach salvation by works. Autosoterists are not saved, as they trust entirely in their good works to save them.
Syntheosoterism
The syntheosoterists are those who think good works are required in addition to their initial act of faith in Jesus. These teach faith in Christ, but then muddy the gospel by adding something we do, such as turning from sins, keeping the Sabbath, water baptism, promising to live a moral life, joining a church, receiving sacraments, etc. I don’t believe these persons are saved, as human activity is added to the gospel message from the beginning. We observe an example of this in the early church in which “Some men came down from Judea and began teaching the brethren, ‘Unless you are circumcised according to the custom of Moses, you cannot be saved’” (Acts 15:1). This teaching caused a huge reaction in Paul and Barnabas, who had “great dissension and debate with them” (Acts 15:2). The simple gospel message was: “we are saved through the grace of the Lord Jesus” (Acts 15:11). But some Judaizers from Judea were presenting a false gospel which frontloaded the message with a requirement to follow to the Law of Moses; specifically, circumcision. Concerning Acts 15:1, Arnold Fruchtenbaum states:
“Verse 1 describes the issue that led to the debate: Gentile circumcision. After their first missionary journey, Paul and Barnabas gave a report to the church of Antioch and spent some time with the Believers there. Eventually, certain men came down from Judea. They were members of the “circumcision party,” mentioned earlier, in Acts 11:2, who had challenged Peter about going into the home of an uncircumcised Gentile. Acts 15:24 makes it clear that these men had not been sent by the church of Jerusalem, but that they simply came down to Antioch of their own accord. In Galatians 2:4, Paul made reference to this same Jerusalem Council and describe these men as false brethren. They came to Antioch to teach. The Greek tense of the verb “teach” means they began to teach, and they kept at it with determination. The false teachers picked on the brethren, meaning the Gentile believers, because they were not circumcised. To these Gentile believers, they said: except ye be circumcised after the manner of Moses, ye cannot be saved. This was the Judaizers dictum: Believing Gentiles are not saved until they are circumcised. Today certain groups teach another heresy, namely, that believers are not saved until they have been baptized. Both statements are equally wrong. Both involve salvation by works and salvation through ritual.”[2]
If any human works or religious rituals are added to the simple gospel message, it is rendered null and void. A gospel message that includes human works is no gospel at all. Such a message saves no one. Warren Wiersbe states:
“God pronounces a solemn anathema on anyone who preaches any other Gospel than the Gospel of the grace of God found in Jesus Christ His Son (Gal 1:1–9). When any religious leader says, “Unless you belong to our group, you cannot be saved!” or, “Unless you participate in our ceremonies and keep our rules, you cannot be saved!” he is adding to the Gospel and denying the finished work of Jesus Christ. Paul wrote his Epistle to the Galatians to make it clear that salvation is wholly by God’s grace, through faith in Christ, plus nothing!”[3]
Posttheosoterism
The posttheosoterists are those who believe they are saved initially by grace alone, through faith alone, in Christ alone, but then later adopt a works-system to continue to be saved. I think many in this camp were saved when they heard and responded positively to the simple gospel message (perhaps as a child), placing their faith in Christ alone for salvation, but then later were persuaded to accept a system of legalistic teaching that told them they must do good works to continue to be saved. These would be similar to the Christians Paul wrote to in Galatia, who said, “I am amazed that you are so quickly deserting Him who called you by the grace of Christ, for a different gospel” (Gal 1:6). These were believers whom Paul called brethren (Gal 1:11; 3:15; 4:12, 28, 31; 5:11, 13; 6:1, 18), declaring they were “sons of God through faith in Christ Jesus” (Gal 3:26). The Christians in Galatia had trusted in Christ as their Savior; however, some “false brethren” (Gal 2:4) came among them and taught they must adhere to the Law of Moses to be saved. These were false teachers. According to Fruchtenbaum, “The problem that Paul was dealing with in his epistle to the Galatians concerns a group that has come to be known as ‘the Judaizers.’ These people felt that the Gentiles must obey the Law of Moses in order to be saved (Acts 15:1 and 5).”[4] Paul, in an effort to correct the false teaching, posed a few simple questions to the Galatian Christians, saying, “This is the only thing I want to find out from you: did you receive the Spirit by the works of the Law, or by hearing with faith? Are you so foolish? Having begun by the Spirit, are you now being perfected by the flesh?” (Gal 3:2-3). The Christians in Galatia had trusted in Christ as their Savior and had received the Holy Spirit. They were saved. Yet, the legalism of the Judaizers had corrupted the concept of faith alone in Christ alone. Fruchtenbaum notes, “Too many believers think they can and need to add to their salvation. By grace through faith alone does not seem to satisfy. People add the keeping of some of the laws of Moses to their salvation. Others believe their baptism plays a role in it. Again others throw what is commonly known as Lordship salvation into the mix.”[5] I think posttheosoterism describes many Christians today, who truly trusted Christ as their Savior, but then later were led to believe they needed good works to keep themselves saved. Chafer states, “True salvation is wholly a work of God. It is said to be both a finished work and a gift, and, therefore, it lays no obligation upon the saved one to complete it himself, or to make after payments of service for it.”[6]
I personally trusted Christ as my Savior at age eight; however, shortly afterwards I was taught I needed to keep myself saved by ceasing to sin and also by doing good works. Though I did not lose my salvation (which is impossible), the joy I had when I trusted Christ as my Savior was lost, as I became trapped in a vicious system of trying to keep my salvation by good works. Subsequently, I believed I lost my salvation every time I sinned (which was daily), and felt I needed to come groveling back to God as a failure, and trusting Christ over and over again in order to be saved. Eventually, exhaustion took its toll, and after several years I walked away from God, thinking the Christian life was impossible. It was not until roughly fifteen years later that my assurance of salvation rested in Christ alone, and the joy of my salvation was restored.
Because pride is the default setting of the human heart; it’s our natural proclivity to think we can fix the problem of sin and righteousness and either earn God’s approval by our own efforts, or at least participate in the effort. Pride must die for salvation to occur, as we come to God with the empty hands of faith, offering nothing, but only receiving the salvation which He offers to us by grace alone, through faith alone, in Christ alone. Human efforts to save are useless. Lewis Chafer notes, “No one under any circumstances could forgive his own sin, impart eternal life to himself, clothe himself in the righteousness of God, or write his name in heaven.”[7]
Solatheosoterism
Solatheosoterism is the correct biblical view. This teaches that our spiritual salvation is by grace alone, through faith alone, in Christ alone, plus nothing more. No good works are required for our salvation before, during, or after we trust in Christ. As stated before, good works should follow salvation (Eph 2:10), but they are never the condition of it. This is the record of Scripture in the OT, as “Salvation belongs to the LORD” (Psa 3:8), and “Our God is a God of salvation” (Psa 68:20 CSB), and “Salvation is from the LORD” (Jon 2:9). In the NT we read about Jesus, and that “He will save His people from their sins” (Matt 1:21), and “He rescued us from the domain of darkness, and transferred us to the kingdom of His beloved Son” (Col 1:13a), and “He saved us, not on the basis of deeds which we have done in righteousness, but according to His mercy, by the washing of regeneration and renewing by the Holy Spirit” (Tit 3:5), and it is “God who has saved us and called us with a holy calling, not according to our works, but according to His own purpose and grace which was granted us in Christ Jesus from all eternity” (2 Tim 1:8b-9). In these verses, salvation is always in one direction, from God to us.
Scripture reveals we are helpless, ungodly, sinners, and enemies of God (Rom 5:6-10), and prior to our salvation, we were dead in our trespasses and sins (Eph 2:1). Salvation is never what we do for God; rather, it’s what He’s done for us through the death of His Son, who paid the full penalty for all our sins on the cross at Calvary. Having paid the full price for our sins, there is nothing that remains for us to pay. Christ paid it all, and our spiritual salvation was completed at the cross, where Jesus said, “It is finished” (John 19:30). According to Francis Schaeffer, “Salvation is the whole process that results from the finished work of Jesus Christ as He died in space and time upon the cross.”[8] And Lewis Chafer notes, “As for revelation, it is the testimony of the Scriptures, without exception, that every feature of man’s salvation from its inception to the final perfection in heaven is a work of God for man and not a work of man for God.”[9]
No one has the means to redeem his own soul, nor the soul of another. Jesus asked, “what will a man give in exchange for his soul?” (Matt 16:26). The answer is nothing! If Jesus had not paid our sin-debt to God, there would be no hope of ever being liberated from spiritual slavery, for “no man can by any means redeem his brother or give to God a ransom for him—for the redemption of his soul is costly, and he should cease trying forever” (Psa 49:7-8). However, Paul writes of the “redemption which is in Christ Jesus” (Rom 3:24b), and this speaks to the payment He made on behalf of sinners. The word redemption translates the Greek apolutrosis (ἀπολύτρωσις) which means to “release from a captive condition.”[10] Redemption refers to the payment of a debt that one gives in order to liberate another from slavery. Jesus declared “the Son of Man did not come to be served, but to serve, and to give His life a ransom for many” (Mark 10:45), and the apostle Paul tells us that Jesus “gave Himself as a ransom for all” (1 Tim 2:6). When we turn to Christ as our only Savior “we have redemption through His blood, the forgiveness of our trespasses” (Eph 1:7; cf. Col 1:13-14). Because Jesus died in our place, He is able to set us free from our spiritual bondage and give us eternal life, but it is only because of His shed blood on the cross that He can do this, for we “were not redeemed with perishable things like silver or gold…but with precious blood, as of a lamb unblemished and spotless, the blood of Christ” (1 Pet 1:18-19). The blood of Christ is necessary, for “without shedding of blood there is no forgiveness” (Heb 9:22). And the blood of Christ is the coin of the heavenly realm that paid our sin debt. He paid it all, and there’s nothing more for us to pay. Salvation is a gift from God. If we have to pay for it, it ceases to be a gift.
[1] Charles Caldwell Ryrie, Basic Theology: A Popular Systematic Guide to Understanding Biblical Truth (Chicago, IL: Moody Press, 1999), 254.
[2] Arnold G. Fruchtenbaum, The Book of Acts (San Antonio, TX, Published by Ariel Ministries, 2022), 316.
[3] Warren W. Wiersbe, The Bible Exposition Commentary, vol. 1 (Wheaton, IL: Victor Books, 1996), 461.
[4] Arnold G. Fruchtenbaum, Faith Alone: The Condition of Our Salvation: An Exposition of the Book of Galatians and Other Relevant Topics, ed. Christiane Jurik, Second Edition. (San Antonio, TX: Ariel Ministries, 2016), 9.
[8] Francis A. Schaeffer, Death in the City (Wheaton, IL: Crossway, 2002), 100.
[9] Lewis Sperry Chafer, Systematic Theology, vol. 3, p. 6.
[10] Walter Bauer, A Greek-English Lexicon of the New Testament and Other Early Christian Literature, rev. and ed. Frederick W. Danker, 3rd ed. (Chicago: University of Chicago Press, 2000), 117.
The church refers to the body of Christ which began on the day of Pentecost in Acts chapter 2. It is comprised of Jews and Gentiles who have accepted Jesus as Savior. The church exists universally as an organism, the global presence of Christians who form the body of Christ. The church also exists locally as an organization, a nearby assembly of believers who gather together for Bible study, worship, fellowship, and the practice of the ordinances of baptism and the Lord’s Supper. The Christian church is a mystery not revealed in the Old Testament and is separate from Israel, having a different identity and purpose.
The Meaning of Ekklesia
The term church is a common translation of the Greek word ekklesia, which means called out ones, assembly, congregation, or community of Christians.[1] The New Testament writers use the word both in a general and technical sense. When used in a general sense, the word refers to any assembly, such as an assembly of residents in a city (Acts 19:32, 39, 41). It is interesting that the assembly mentioned in Acts 19 refers to pagan worshippers of the Greek goddess Artemis and does not refer to believers at all (Acts 19:34-35). The word ekklesia is also applied to Israel as a general assembly or congregation (Matt. 18:17; Acts 7:38; Heb. 2:12). In Matthew 18:15-17 Jesus addresses the subject of discipline within the fellowship of a community (ekklesia); however, the evidence of the passage favors a Jewish assembly (i.e. a synagogue) and not the Christian church.[2] In Acts 7:38 Stephen is speaking to a Jewish audience and mentions “the congregation [ekklesia] in the wilderness.”[3] Stephen’s use of the word ekklesia simply refers to the assembly of Israelites who were brought out of Egypt by Moses. In Hebrews 2:12 the writer quotes Psalm 22:22, in which the Septuagint[4] has the term ekklesia, again, used in a general way of an assembly or congregation of Jewish people.
When applied to Christians in the New Testament, ekklesia takes on a technical meaning and refers to those who have been joined to the spiritual body of Christ (1 Cor. 12:13; Eph. 1:22-23) by means of personal faith in Jesus as Savior (Acts 4:12; 1 Cor. 15:3-4; Eph. 2:8-9). The first reference to the Christian church occurs in Matthew 16:18 after Peter had confessed that Jesus is “the Christ, the Son of the living God” (Matt. 16:16), and based on the rock-solid truth of Peter’s statement, Jesus said, “I will build [future tense] My church [ekklesia]; and the gates of Hades shall not prevail against it” (Matt. 16:18). Jesus’ future tense statement reveals a church that was not in existence when He spoke. The Christian church began on the day of Pentecost, in Acts 2, when the Holy Spirit began His baptizing ministry of placing believers into the body of Christ. Concerning this work of the Holy Spirit, Paul writes, “For by one Spirit we were all baptized into one body—whether Jews or Greeks, whether slaves or free—and have all been made to drink into one Spirit” (1 Cor. 12:13; cf. Gal. 3:26-28). “The Holy Spirit of God is the primary agent who identifies the believer with other believers. Each one is a member of the body, and each member is united with the other members and with Christ (Rom. 6:1–4).”[5] The comparison of Acts 1:4-5 with Acts 2:1-4 and 11:15-17 make a compelling case for the church’s origin in Acts 2. It is mainly in the writings of Paul that the Christian church is identified as the body of Christ. Note the following Scriptures:
And He put all things under His feet, and gave Him to be head over all things to the church, which is His body, the fullness of Him who fills all in all. (Eph. 1:22-23)
For the husband is head of the wife, as also Christ is head of the church; and He is the Savior of the body. (Eph. 5:23)
And He is the head of the body, the church, who is the beginning, the firstborn from the dead, that in all things He may have the preeminence. (Col. 1:18)
I now rejoice in my sufferings for you, and fill up in my flesh what is lacking in the afflictions of Christ, for the sake of His body, which is the church. (Col. 1:24)
Several times in the New Testament Jesus is referred to as the Head of the body, the church. The Greek word soma, translated body, occurs 142 times in the New Testament and is used most often of physical bodies; however, it is used “sixteen times to refer to the church, the body of Christ (Rom. 12:5; 1 Cor. 10:17; 12:13; Eph. 1:23; 2:16; 4:4, 12, 16; 5:23, 30; Col. 1:18, 24; 2:19; 3:15). With the exception of Eph. 5:28, in Ephesians it is always used metaphorically as a reference to the body of Christ, the church.”[6] Paul first learned about this identification when he, as an unbeliever, encountered the Lord Jesus on the road to Damascus when he was persecuting Christians and putting them in prison. While on the road, the Lord Jesus appeared to him in a bright light, which caused him to fall to the ground, and then a voice said, “Saul, Saul, why are you persecuting Me?” (Act 9:4; cf. 22:7; 26:14). When Paul asked, “who are You Lord?” The reply came, “I am Jesus, whom you are persecuting” (Acts 9:5). Paul learned that an attack on Christians is an attack on the Lord Jesus Christ Himself. “The question, ‘Why do you persecute Me?’ (cf. Acts 9:5) is filled with significance for it shows the union of Christ with His church. The Lord did not ask, ‘Why do you persecute My church?’ The reference to ‘Me’ gave Saul his first glimpse into the great doctrine of Christians being in Christ.”[7] When a person believes in Jesus as Savior he/she is united to the body of Christ by means of the Holy Spirit. This is a new designation in which ethnic, social, and gender identity are all secondary to the believer’s new identity of being in Christ Jesus (Gal. 3:26-28).[8]
The Universal Church
The New Testament church is understood both in a universal and local sense. The universal church refers to the global existence of the body of Christ. This is the organic church as it exists all over the planet. Several passages in the New Testament communicate the idea of a universal church, such as when Paul said, “Give no offense, either to the Jews or to the Greeks or to the church of God” (1 Cor. 10:32), and “God has appointed these in the church: first apostles, second prophets, third teachers, after that miracles, then gifts of healings, helps, administrations, varieties of tongues” (1 Cor. 12:28), and “He put all things under His feet, and gave Him to be head over all things to the church, which is His body, the fullness of Him who fills all in all” (Eph. 1:22-23; italics added). What is noticed in these and other places in Scripture is the use of the term church without a specific location (Matt. 16:18; Acts 8:3; 9:31; 20:28; Rom. 16:16; 1 Cor. 15:9; Eph. 3:10, 21; 5:23, 32; Col. 1:18, 24). Robert Lightner comments on this:
There are a number of usages of ekklesia that do not seem to refer to a local assembly of believers. Instead, they speak of that company of believers formed on the day of Pentecost into the body of Christ, which has been growing ever since as sinners trust Christ alone as Savior and are added to it. This company of the redeemed is called the church without consideration of whether or not those who are a part of it are members of local churches.[9]
The universal church exists all over the earth. When the rapture of the church occurs, all believers, wherever they are on the planet, will be caught up to meet the Lord in the air (1 Thess. 4:13-18). That is, the church, as it exists globally, will be removed from the earth and taken to be with Christ. Also, whenever we meet another Christian, we are meeting someone who belongs to the global body of Christ, whether they belong to a local assembly or not.
The Local Church
The word church is also used to refer to a local assembly of those who regularly meet at a specific location (1 Cor. 1:2; Col. 1:2; Rev. 2-3). Luke mentions “the church which was at Jerusalem (Acts 8:1), and “the church that was at Antioch” (Acts 13:1). Paul mentions “the church in Cenchrea” (Rom. 16:1), “the church of God which is at Corinth” (1 Cor. 1:2), “the saints in Christ Jesus who are in Philippi” (Phil. 1:1), and “the saints and faithful brethren in Christ who are in Colosse” (Col. 1:2) (italics added). The apostle John wrote the book of Revelation to churches in Ephesus, Smyrna, Pergamos, Thyatira, Sardis, Philadelphia, and Laodicea (Revelation 2-3). These were all local churches that existed in ancient cities, where Christians lived and worked. However, we can narrow the local church down a little further and say that Christians met in the homes of specific church members within each city. The first church—which was Jewish—met “in the temple” in Jerusalem, as well as “from house to house” (Acts 2:46). As the church grew, and included Gentiles, the home continued as the primary meeting place for believers. Luke records Paul’s ministry to Christians in Ephesus and explained that he taught “publicly and from house to house” (Acts 20:20). Paul mentions several home churches such as the one run by Aquila and Priscilla and “the church that is in their house” (1 Cor. 16:19), and about “Nymphas and the church that is in his house” (Col. 4:15), and “to the beloved Apphia, Archippus our fellow soldier, and to the church in your house” (Phm. 1:2) (italics added).
Who were the members of these local house churches? From several writings in the New Testament we get a demographic breakdown of church members, which consisted of men and women (Eph. 5:22-23), parents and children (Eph. 6:1-4), slaves and free persons (Eph. 6:5-9), rich and poor (1 Tim. 6:17-19; Jam. 2:2-5), spiritual and carnal (1 Cor. 3:1-3; Gal. 6:1), mature and immature (1 Cor. 2:6; 1 Pet. 2:2). We can also surmise that home churches generally had few members because of the size of the homes (probably not exceeding 50 people) and the fellowship probably tended to be personal, with an emphasis on learning God’s Word and enjoying Christian fellowship. Luke gives us a snapshot of some of the values and practices of the early church in which he tells us “they continued steadfastly in the apostles’ doctrine and fellowship, in the breaking of bread, and in prayers” (Acts 2:42).
We also know the first century church had problems. Churches then, like churches now, are no better or worse than the people who make up their fellowship. Christians who were immature, carnal and selfish tended to cause trouble. Churches struggled with problems such as jealousy and strife (1 Cor. 3:1-3), fornication (1 Cor. 5:1-2), selfishness and drunkenness (1 Cor. 11:21), relationship conflicts (Phil. 4:2), and legalism (Gal. 5:1-12). But God expected all to be “filled with the Spirit” (Eph. 5:18), and to “walk by the Spirit” (Gal. 5:16), manifesting “the fruit of the Spirit”, which is “love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, [and] self-control” (Gal 5:22-23). In the church, Christians were to learn Scripture (2 Tim. 2:15; 1 Pet. 2:2), grow in grace (2 Pet. 3:18), advance to spiritual maturity (Eph. 4:11-16; 2 Tim. 3:16-17), seek the interests of others over self (Phil. 2:3-4), love one another (1 Cor. 13:4-8a; 1 Thess. 3:11-12; 4:9; 1 Jo. 4:7-11), pray for one another (Jam. 5:16), encourage one another (1 Thess. 5:11), edify each other (Rom. 15:1-2; Eph. 4:29), be kind and forgiving (Eph. 4:32), serve one another (Gal. 5:13; 1 Pet. 4:10), and do good works (Eph. 2:10; Tit. 2:11-14). These Christian qualities made the church attractive and productive.
The primary purpose of the church is to glorify God. Paul states, “we who first trusted in Christ should be to the praise of His glory” (Eph. 1:12), and “to Him be glory in the church by Christ Jesus to all generations, forever and ever” (Eph. 3:21; cf. Rom. 11:36; 16:27; 1 Pet. 2:5). Other purposes of the church include evangelizing the lost (Matt. 28:18-20), edifying believers through biblical teaching so they might advance to spiritual maturity (Eph. 4:11-16), praying for one another (Jam. 5:16), and showing love (John 13:34).
A Divided Understanding of the Church
One of the dispensational distinctives is that Israel and the church are separate. The church, which is the body of Christ (Eph. 1:22-23), is a company of believers, made up of Jews and Gentiles (1 Cor. 10:32), who have been spiritually united with Christ by means of the baptism of the Holy Spirit at the moment of salvation (1 Cor. 12:13; Gal. 3:26-28). The church, as the body of Christ, was revealed to the apostles only in the New Testament (Eph. 1:22-23; 3:1-12; 5:32; Col. 1:24-27). However, covenant theologians see the church existing as one people of God, a single group of people that goes all the way back to Genesis. Covenant theologian Wayne Grudem states, “The church is the community of all true believers for all time.”[10] And John Frame comments, “Israel was the church of the old covenant; the New Testament church is the Israel of the new covenant, what Paul calls ‘the Israel of God’ (Gal. 6:16).”[11] Covenant theologians such as Charles Hodge, B. B. Warfield, Louis Berkhof, Edward Young, J. I. Packer, R. C. Sproul, John Piper, and many others argue that Israel is the church and the church is Israel; they are the same. Though I have a great love for covenant theologians and am profoundly thankful for much of their writings, I respectfully disagree with their understanding of the church.
When one reads back through the Old Testament there were basically two groups of people on the earth: Jews and Gentiles. This distinction began with the call of Abraham, when God called him into a special relationship and promised to bless the world through him (Gen. 12:1-3). Biblically, a Jew is a Jew because he/she is a biological descendant of Abraham, Isaac, and Jacob (Gen. 12:1-3; 15:5; 17:7, 19; 22:15-17; 28:13-14; Ex. 2:24-25). “The biblical basis for defining Jewishness lies in the Abrahamic Covenant which promised that a nation would descend from Abraham, Isaac, and Jacob in Genesis 12:2a; 13:16; 15:5; 17:1–2, 7; 22:17; 26:4, 24; and 28:14; from which a simple definition of Jewishness can be deduced.”[12] A Gentile is anyone who is not a Jew. And a Gentile, no matter how hard he/she tried, could never be a biological Jew. Certainly Gentiles could participate in the Jewish blessings if he/she embraced God. Rahab and Ruth believed in God, but, though saved and in the line of Christ (Matt. 1:5), they were never regarded as biological Jews. Ruth continued to be called a Moabitess, even after her conversion (Ruth 2:2, 21; 4:5, 10). The Jew and Gentile distinction continued for millennia until the formation of the Christian church. Now, in the church age, there are three groups of people: Jews, Gentiles, and the church. This is why Paul makes the comment, “Give no offense, either to the Jews or to the Greeks or to the church of God” (1 Cor. 10:32; italics added). The church is now a third group that consists of Jews and Gentiles who have trusted in Christ as their Savior and been joined to the body of Christ.[13]
Though both Israel and Christians are the people of God, the Christian church is distinct from the nation of Israel. Several observations from the New Testament provide a compelling case. First, the term Israel occurs 73 times in the New Testament (30 times in the Gospels, 21 times in the book of Acts, 19 times in the Epistles, and 3 times in the book of Revelation), and not once does it refer to the church.[14] “The term Israel is either used of the nation or the people as a whole, or of the believing remnant within. It is never used of the Church in general or of Gentile believers in particular.”[15] The fact that Israel is still called Israel, even after the church is formed, argues that Israel is not the church. Second, the word Jew occurs 186 times in the New Testament (84 times in the Gospels, 76 times in the book of Acts, 24 times in the Epistles, and 2 times in the book of Revelation), and refers to anyone who is a biological descendant of Abraham, Isaac, and Jacob. The word Jew is never used of Gentiles or the church. The fact that these distinctions continue throughout the New Testament make a compelling case that Israel and the church are separate groups of people.
The distinction between Israel and the church is verified by several facts. (1) In the New Testament natural Israel and Gentiles are contrasted after the church was clearly established (Acts 3:12; 4:8, 10; 5:21, 31, 35; 21:19). (2) Natural Israel and the church are clearly distinguished, showing that the church is not Israel (1 Cor. 10:32). The apostle’s distinction would be meaningless if Israel were the same as the church.[16]
Additional biblical distinctions reveal that Israel is a nation (Ex. 19:6), but the church is not a nation (Rom. 10:19). God’s program for Israel focuses on the land promised to Abraham (Gen. 12:1; 15:18; 17:8), whereas the church is called to go out to many lands (Matt. 28:19-20; Acts 1:8). Israel was mentioned throughout the Old Testament and recognized by other nations (Num. 14:15; Josh. 5:1), but the church was a mystery not known in the Old Testament (Eph. 3:1-6; Col. 1:26-27; cf. Rom. 16:25-26).[17] Israel was under “the Law” of Moses (John 1:17), whereas the Church is under the “Law of Christ” (1 Cor. 9:21; Gal. 6:2). Israel had a priesthood that was specific to the tribe of Levi (Num. 3:6-7), whereas all Christians are priests to God (Rev. 1:6). Israel worshipped first at the Tabernacle and later the Temple (Ex. 40:18-38; 2 Chron. 8:14-16), but for Christians, their body is the temple of the Lord and they gather locally where they want (1 Cor. 6:19-20; cf. 1 Cor. 16:19; Col. 4:15). Israel offered animal sacrifices to God (Lev. 4:1-35), but Christians offer spiritual sacrifices (1 Pet. 2:5; cf. Rom. 12:1; Heb. 13:15). Israel was required to tithe from the produce of their land (Deut. 14:22-23; 28-29; Num. 18:21), but there is no tithe required from Christians, only a joyful attitude when giving, “for God loves a cheerful giver” (2 Cor. 9:7). (See Chart Here)
In the New Testament, there are Jewish unbelievers (Acts 14:2; 19:8-9), and Jewish believers (Acts 10:45; 14:1). This is what Paul referred to when he said, “For they are not all Israel who are of Israel” (Rom. 9:6). That is, one could be a biological Jew and not belong to the remnant of saved Jews who accept Jesus as Messiah. In addition, there are Gentile unbelievers (Acts 14:2-7), and Gentile believers (Acts 13:48; 21:25). Both Jews and Gentiles are distinguished in several passages (Acts 4:27; 9:15; 14:2, 5; 21:11, 21; Rom. 3:29; 9:24), as well as Jews and Christians (Gal. 2:11-14), Gentiles and Christians (Acts 11:1), and all three at once (Acts 14:4-5; 1 Cor. 10:32). In the book of Galatians, Paul draws a distinction between Gentile and Jewish believers, where he states, “And as many as walk according to this rule, peace and mercy be upon them [Gentile Christians], and upon the Israel of God [Jewish Christians]” (Gal. 6:16). Covenant theologians commonly reference Galatians 6:16 to argue that the church and Israel are the same; but this fails to consider the language of the text. “The first group is the them, the uncircumcision, the Gentile Christians to and of whom he [Paul] had devoted most of the epistle. The second group is the Israel of God. These are the circumcision, the Jewish believers who, in contrast with the Judaizers, followed the rule of salvation by grace through faith alone.”[18] These distinctions in the New Testament make a compelling argument that Jews, Gentiles, and Christians are seen as separate groups.[19]
God’s current plan in human history is being worked out through His church. However, we should never draw the conclusion that God is finished with Israel. He is not. Israel as a nation is under divine discipline (Matt. 23:37-39; Rom. 11:25-27), but God has a future plan to restore them and to bless the world through them. God’s covenant promises to Israel are still in effect (Gen. 12:1-3; Rom. 9:1-5; 11:1-2), which promises point to a future regathering of the nation of Israel in the Promised Land (Isa. 14:1; 60:21; Jer. 30:3; Ezek. 11:17; 20:42; 37:12; Amos 9:14-15), a King and kingdom (2 Sam. 7:16; Ps. 89:3-4, 34-37; Dan. 2:44; 7:13-14; Luke 1:31-33; Matt. 6:9-10; 19:28; 25:31), and a righteous rule (Isa. 9:6-7; Jer. 23:5-6; Rev. 11:15; 19:11-16), which will last for a thousand years (Rev. 20:4-6). Jesus is the son of David, the son of Abraham, and He will inherit the throne of His father and rule on earth.
Summary
The church is distinct from Israel and Gentiles. The church, which is the body of Christ (Eph. 1:22-23), is a company of believers, from Jews and Gentiles (1 Cor. 10:32), who have been spiritually united with Christ by means of the baptism of the Holy Spirit at the moment of salvation (1 Cor. 12:13; Gal. 3:26-28). More so, the church exists both in a universal and local sense, globally as an organism and locally as an organization. Once the church is caught up to heaven at the rapture (1 Thess. 4:13-18), God will resume His plan with national Israel and fulfill all the promises made to them through the covenants (Rom. 9:1-5; 11:1-2; 25-27).
[1] Walter Bauer, A Greek-English Lexicon of the New Testament and Other Early Christian Literature, rev. and ed. Frederick W. Danker, 3rd ed. (Chicago: University of Chicago Press, 2000), 303-304.
[2] There are several reasons Matthew 18:17 does not refer to the Christian church: Firstly, the Christian church did not come into existence until after the resurrection of Jesus. To make Matthew 18:17 refer to the Christian church is to have the church in existence before the baptizing work of the Holy Spirit, which is how believers are joined to the body of Christ (1 Cor. 12:13; cf. Acts 1:5; 2:4; 11:15-16). Secondly, Jesus cites the Mosaic Law as the rule for judging the brother in Matthew 18, and this would have been expected of those living under that code (Deut. 17:6; 19:15). Currently, Christians are not living under the Mosaic Law (Rom. 6:14), but under the “Law of Christ” (Gal. 6:2; cf. Rom. 8:2; Jam. 1:25; 2:8). Thirdly, if the brother refuses to listen to the assembly, he is to be treated “as a Gentile” (Matt. 18:17), a term which would make no sense for the Christian church, since Jewish and Gentile identity is subservient to the greater identity of being united with Christ (Gal. 3:26-28).
[3] Unless otherwise stated, all Scripture quotes are taken from the New King James Version (Nashville: Thomas Nelson, 1982).
[4] The Septuagint, or LXX, refers to the Greek translation of the Hebrew Old Testament, which was translated circa 250 B.C.
[5] Robert P. Lightner, Handbook of Evangelical Theology: A Historical, Biblical, and Contemporary Survey and Review (Grand Rapids, MI: Kregel Publications, 1995), 229.
[6] Harold Hoehner, Ephesians: An Exegetical Commentary (Grand Rapids, Mich., Baker Book House, 2002), 290.
[7] Stanley D. Toussaint, “Acts,” in The Bible Knowledge Commentary: An Exposition of the Scriptures, ed. J. F. Walvoord and R. B. Zuck, vol. 2 (Wheaton, IL: Victor Books, 1985), 375–376.
[8] Prior to this transfer, every person is identified positionally as being in Adam (1 Cor. 15:21-22). However, at the moment of faith in Christ, the believer obtains a new identity and is said to be in Christ Jesus (ἐν Χριστῷ Ἰησοῦ). Paul stresses this positional identification several times in the New Testament (Rom. 8:1; 16:3; 1 Cor. 1:2, 30; Gal. 3:14, 26, 28; Eph. 1:1; 2:6, 13; 3:6).
[9] Robert P. Lightner, Handbook of Evangelical Theology: A Historical, Biblical, and Contemporary Survey and Review, 228.
[10] Wayne A. Grudem, Systematic Theology: An Introduction to Biblical Doctrine (Leicester, England; Grand Rapids, MI: Inter-Varsity Press; Zondervan Pub. House, 2004), 853.
[11] John M. Frame, Salvation Belongs to the Lord: An Introduction to Systematic Theology (Phillipsburg, NJ: P&R Publishing, 2006), 235.
[12] Arnold G. Fruchtenbaum, Israelology: The Missing Link in Systematic Theology, Rev. ed. (Tustin, CA: Ariel Ministries, 1994), 748.
[13] In one sense, Jews and Gentiles retain their ethnic and cultural identity, even after believing in Christ as Savior. However, in another sense, their new identity as a Christian, which is part of the body of Christ, supersedes whatever identity they had before (Gal. 3:26-28; Col. 3:9-11).
[14] The term Israel is used to refer to the biological descendants of Abraham, Isaac, and Jacob, both saved and lost (Matt. 2:6; 9:33; 10:6; 15:24, 31; 27:9; Mark 12:29; Luke 1:16, 54, 80; 2:25, 34; 4:25, 27; 22:30; 24:21; John 1:31; 3:10; Acts 1:6; 2:22, 36; 3:12; 4:10; 5:21, 31, 35; 7:23, 37, 42; 10:36; 13:16-17, 23-24; 21:28; 28:20; Rom. 9:4, 6, 27, 31; 10:19, 21; 11:1-2, 7, 25-26; 1 Cor. 10:18; 2 Cor. 3:7, 13; 11:22; Gal. 6:16; Eph. 2:12; Phil. 3:5; Heb. 8:8, 10; 11:22; Rev. 2:14; 7:4; 21:12), the God of Israel (Matt. 15:31; Luke 1:68), Jesus as the king of Israel (Matt. 27:42; Mark 15:32; John 1:49; 12:13), the land of Israel (Matt. 2:20-21), the cities of Israel (Matt. 10:23), and in contrast with Gentiles (Matt. 8:10; Luke 2:32; 7:9; Acts 4:27; 9:15).
[15] Arnold G. Fruchtenbaum, Israelology: The Missing Link in Systematic Theology, 699.
[16] Charles Caldwell Ryrie, Basic Theology: A Popular Systematic Guide to Understanding Biblical Truth (Chicago, IL: Moody Press, 1999), 462.
[17] A mystery (musterion) is something “which in other ages was not made known to the sons of men, as it has now been revealed by the Spirit to His holy apostles and prophets” (Eph. 3:5). Paul then states what that mystery is, “that the Gentiles should be fellow heirs, of the same body, and partakers of His promise in Christ through the gospel” (Eph. 3:6).
[18] Arnold G. Fruchtenbaum, Israelology: The Missing Link in Systematic Theology, 691.
[19] A Christian can be a spiritual descendant of Abraham by exercising faith in the same God as Abraham (Rom. 4:11; Gal. 3:29), but this should not be confused with the covenants and promises of God which are promised to national Israel (Rom. 9:1-5).
At the moment of physical birth, every human being inherits a sin nature, passed down from Adam (Rom 5:12; Psa 51:5). This sin nature is the inner source of human corruption, influencing thoughts, emotions, and behaviors in opposition to God’s will (Jer 17:9; Mark 7:21-23). It manifests in various ways, ranging from self-righteous moralism to overt lawlessness, but both trends operate under the same principle—rebellion against divine righteousness. The unbeliever, possessing only the sin nature, has no spiritual life, no capacity for fellowship with God, and remains in a state of total depravity (Eph 2:1-3; Col 2:13). He may be moral or immoral, religious or irreligious, but he is always spiritually dead and incapable of pleasing God (Rom 8:7-8).
At the moment of faith in Christ, the believer receives a new nature, one that is created by God in righteousness and holiness of the truth (2 Cor 5:17; Eph 4:22-24; Col 3:9-10). This new nature, referred to as the “new man,” desires to obey God, learn doctrine, and live in a manner pleasing to the Lord (Rom 7:22; 1 John 3:9). However, the old sin nature is not eradicated at salvation. Instead, the believer enters into a lifelong conflict between the flesh and the Spirit (Rom 7:14-25; Gal 5:16-17). Victory in this conflict is only achieved through the consistent intake and application of Bible doctrine under the filling of the Holy Spirit (Rom 12:2; Eph 5:18; Col 3:16). While the sin nature’s ruling power has been broken (Rom 6:11-14), its presence remains until we receive our glorified bodies (1 Cor 15:51-53; Phil 3:20-21; 1 John 3:5). The Christian life is not about suppressing the sin nature through human effort, but about growing in grace and knowledge (2 Pet 3:18), renewing the mind with divine truth (Rom 12:2), and living under the power of the Holy Spirit (Gal 5:22-23; Eph 5:18). Only by operating under divine power can the believer experience true victory over the sin nature and advance to spiritual maturity, fulfilling the purpose for which they were saved (Eph 2:10; Phil 2:12-13).
The sin nature, driven by selfish desires and the impulse to dominate (Rom 7:18; Gal 5:17), operates with urgency, seeking immediate gratification and exerting pressure to act contrary to God’s will. Paul describes this as a war between the flesh and the Spirit (Gal 5:16-17). The sin nature is not passive—it demands, manipulates, and entices, drawing believers toward self-centeredness. In contrast, the new nature, imparted at salvation (Eph 4:24; Col 3:9-10; 1 John 2:29; 3:9), is characterized by the fruit of the Spirit—love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, and self-control (Gal 5:22-23). Unlike the sin nature, which compels through pressure, the new nature functions through positive volition, inviting the believer to walk in obedience. The Holy Spirit leads with conviction, encouragement, and truth (John 16:13; Rom 8:14), and the believer must choose to follow Him (Gal 5:25). The sin nature defies this process, ensuring an ongoing struggle for those who walk by the Spirit.
As we grow in Christ, we become more attuned to the Spirit’s leading. Unlike the flesh, which compels and pressures, the new nature operates through the calm conviction of the Spirit (John 16:13; Rom 8:14). This requires spiritual attentiveness—reading to the Word, walking by faith, and yielding to the Spirit’s direction. Over time, we develop an increasing sensitivity to His guidance, much like a musician refining their ear for subtle variations in tone and pitch. Initially, distinguishing the aggressive pull of the flesh from the gentle leading of the Spirit can be challenging. But through consistent exposure to Scripture (Psa 119:105; 2 Tim 3:16-17), prayer, and application of Bible doctrine (Jam 1:22), we become more responsive to the Spirit’s voice. Spiritual growth is not instantaneous but a lifelong process of learning, failing, and being refined (Phil 1:6; 2 Pet 3:18). The challenge for the believer is daily choosing to yield to the Spirit rather than the flesh (Rom 6:11-13).
Solatheosoterism is the correct biblical view. This teaches that our spiritual salvation is by grace alone, through faith alone, in Christ alone, plus nothing more. No good works are required for our salvation before, during, or after we trust in Christ. As stated before, good works should follow salvation (Eph 2:10), but they are never the condition of it. This is the record of Scripture in the OT, as “Salvation belongs to the LORD” (Psa 3:8), and “Our God is a God of salvation” (Psa 68:20 CSB), and “Salvation is from the LORD” (Jon 2:9). In the NT we read about Jesus, and that “He will save His people from their sins” (Matt 1:21), and “He rescued us from the domain of darkness, and transferred us to the kingdom of His beloved Son” (Col 1:13a), and “He saved us, not on the basis of deeds which we have done in righteousness, but according to His mercy, by the washing of regeneration and renewing by the Holy Spirit” (Tit 3:5), and it is “God who has saved us and called us with a holy calling, not according to our works, but according to His own purpose and grace which was granted us in Christ Jesus from all eternity” (2 Tim 1:8b-9). In these verses, salvation is always in one direction, from God to us.
When applied to Christians in the New Testament, ekklesia takes on a technical meaning and refers to those who have been joined to the spiritual body of Christ (1 Cor. 12:13; Eph. 1:22-23) by means of personal faith in Jesus as Savior (Acts 4:12; 1 Cor. 15:3-4; Eph. 2:8-9). The first reference to the Christian church occurs in Matthew 16:18 after Peter had confessed that Jesus is “the Christ, the Son of the living God” (Matt. 16:16), and based on the rock-solid truth of Peter’s statement, Jesus said, “I will build [future tense] My church [ekklesia]; and the gates of Hades shall not prevail against it” (Matt. 16:18). Jesus’ future tense statement reveals a church that was not in existence when He spoke. The Christian church began on the day of Pentecost, in Acts 2, when the Holy Spirit began His baptizing ministry of placing believers into the body of Christ. Concerning this work of the Holy Spirit, Paul writes, “For by one Spirit we were all baptized into one body—whether Jews or Greeks, whether slaves or free—and have all been made to drink into one Spirit” (1 Cor. 12:13; cf. Gal. 3:26-28). “The Holy Spirit of God is the primary agent who identifies the believer with other believers. Each one is a member of the body, and each member is united with the other members and with Christ (Rom. 6:1–4).”
The word church is also used to refer to a local assembly of those who regularly meet at a specific location (1 Cor. 1:2; Col. 1:2; Rev. 2-3). Luke mentions “the church which was at Jerusalem (Acts 8:1), and “the church that was at Antioch” (Acts 13:1). Paul mentions “the church in Cenchrea” (Rom. 16:1), “the church of God which is at Corinth” (1 Cor. 1:2), “the saints in Christ Jesus who are in Philippi” (Phil. 1:1), and “the saints and faithful brethren in Christ who are in Colosse” (Col. 1:2) (italics added). The apostle John wrote the book of Revelation to churches in Ephesus, Smyrna, Pergamos, Thyatira, Sardis, Philadelphia, and Laodicea (Revelation 2-3). These were all local churches that existed in ancient cities, where Christians lived and worked. However, we can narrow the local church down a little further and say that Christians met in the homes of specific church members within each city. The first church—which was Jewish—met “in the temple” in Jerusalem, as well as “from house to house” (Acts 2:46). As the church grew, and included Gentiles, the home continued as the primary meeting place for believers. Luke records Paul’s ministry to Christians in Ephesus and explained that he taught “publicly and from house to house” (Acts 20:20). Paul mentions several home churches such as the one run by Aquila and Priscilla and “the church that is in their house” (1 Cor. 16:19), and about “Nymphas and the church that is in his house” (Col. 4:15), and “to the beloved Apphia, Archippus our fellow soldier, and to the church in your house” (Phm. 1:2) (italics added).