Sanctification and the Renewing of the Mind

I’ve been a Case Manager for over twenty years (since 2004) and work in the community with the poor, elderly, and disabled. Over the years, I’ve entered homes that look beautiful from the outside, only to find that inside lies a very different world. Behind closed doors, some of these homes are hoarder houses, with years of trash and clutter piled high, and only narrow, worn paths leading from room to room. The air is often stale. The space, though technically livable, feels claustrophobic. To reclaim such a home requires time, energy, discernment, and sometimes a painful willingness to part with things once thought valuable.

This physical reality serves as a compelling analogy for the inner life of a new Christian. At the moment of faith in Christ, the believer is born again (1 Pet 1:3, 23), made alive in Christ (Eph 2:5), and permanently indwelt by the Holy Spirit (1 Cor 6:19; Eph 1:13-14). Positionally, they are complete in Christ, fully accepted by God, and secure in their salvation (Rom 5:1; Col 2:10). But practically, their mind is often filled with years—sometimes decades—of spiritual clutter: false beliefs, worldly values, dysfunctional coping mechanisms, prideful self-justifications, and sin-conditioned thought patterns.

Paul commands, “Do not be conformed to this world, but be transformed by the renewing of your mind” (Rom 12:2). This exhortation implies that transformation does not occur automatically at conversion. Rather, it is a progressive process involving the removal of old thought patterns and the construction of new ones built upon divine truth. The mind, like a hoarder’s house, must be cleaned—room by room, layer by layer. Some of the clutter consists of ideas that once felt necessary for survival. For example, a person may cling to unforgiveness, hoping for an opportunity to exact revenge in some way. Another may hold onto worry, convinced that anxious vigilance can prevent future harm—mistaking anxiety for responsibility. Some constantly replay past failures, punishing themselves with guilt, as though ongoing shame could somehow atone for sin. These thoughts are not only false—they are spiritually toxic. Yet they remain because they are familiar, and familiarity feels safe, even when it is harmful.

Over time, such thoughts carve deep neural pathways in the brain. The more frequently they are used, the more “natural” they feel. Paul refers to these entrenched mental habits as “strongholds,” which must be torn down by “taking every thought captive to the obedience of Christ” (2 Cor 10:4-5). This requires discernment to identify which thoughts align with God’s truth and which must be discarded. The cleansing process is not simply about removing trash—it is also about replacing it with something better. The believer must saturate the mind with Scripture, allowing God’s Word to reshape values, beliefs, priorities, and affections (Col 3:16; Psa 119:11). The Spirit of God uses the Word of God to produce real change. Sanctification, then, is not behavioral modification, but spiritual renovation—an inner work that manifests outwardly over time (Gal 5:22-23).

Paul’s description of the new life in Ephesians 4 is instructive, as he directs Christians to “Lay aside the old self, which is being corrupted in accordance with the lusts of deceit, and… be renewed in the spirit of your mind, and put on the new self, which in the likeness of God has been created in righteousness and holiness of the truth” (Eph 4:22-24). The verbs “lay aside,” “be renewed,” and “put on” describe a conscious, continual process. The old mental clutter must go, the mind must be renovated, and new mental furniture acquired and kept clean. This housecleaning metaphor also reminds us to be gracious with others. Just as it takes time and patience to clear out years of physical hoarding, so too does it take time for God to sanctify a believer’s mind. New Christians may still walk the narrow, familiar pathways of fear, anxiety, lust, or legalism—not because they are unwilling to change, but because they are still learning a better way. Grace allows space for that transformation to unfold.

In the end, the goal is freedom—freedom to think biblically, to move about mentally and spiritually without stumbling over old junk, and to dwell in peace. Isaiah captures it beautifully, saying, “You will keep him in perfect peace, whose mind is stayed on You, because he trusts in You” (Isa 26:3). This is not mere sentiment; it is the fruit of a mind progressively cleared of garbage and filled with the truth of God’s Word.

So, we engage in the task of mental housecleaning—not to earn God’s favor (we already have that in Christ), but to experience the spiritual vitality and clarity He intends for His children. Sanctification is hard work, yes—but it is holy work. And by God’s grace, it is also fruitful work. As the believer matures and walks in mental freedom, they are better equipped to come alongside others—offering compassion, wisdom, and hope to those still trapped in the clutter of old thinking. A clean and Spirit-filled mind becomes not only a sanctuary for peace but also a platform for ministry, helping others find their footing on the path to righteousness and renewal.

Dr. Steven R. Cook

If this article has enriched your understanding and walk with Christ, and you feel led to support my ministry, your generosity is greatly appreciated. Your gifts enable me to continue sharing the gospel of grace and providing in-depth biblical teachings. Thank you for partnering with me in this mission.

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Salvation in Three Tenses

The Bible presents salvation in three tenses. Radmacher states, “Spiritual salvation involves three tenses—past, present, and future. Doctrinally these are expressed as justification, sanctification, and glorification, but each one is part of the broad scope of salvation.”[1] In the past and future aspects, God alone does all the saving—justification in the past (Eph 2:8-9) and glorification in the future (Rom 8:30; 1 John 3:2). However, in the present aspect, sanctification, human volition plays a role. While God initiates and enables spiritual growth (Phil 1:6), believers are called to actively learn and live according to His Word (1 Pet 2:2; 2 Pet 3:18), and cooperate with the Holy Spirit (Eph 5:18; Gal 5:16). Thus, while God is the sole agent in the past and future tenses, believers participate in the present tense through obedience in sanctification.

In the past, salvation is viewed as justification, where an individual is saved from the penalty of sin through faith alone in Christ alone (Rom 5:1; Eph 2:8-9). This is a once-for-all event in which the believer is declared righteous before God, not based on any works, but on the finished work of Jesus Christ on the cross. Justification is a legal declaration in which God imputes the righteousness of Christ to the believer based on their faith in Him, resulting in the believer being declared just in God’s sight (Rom 3:28; 2 Cor 5:21; Phil 3:9). This aspect of salvation is immediate and irreversible, providing the believer with assurance of eternal life. Ryrie states, “The moment one believed he was saved from the condemnation of sin (Eph 2:8; Tit 3:5).”[2]

In the present, salvation is referred to as sanctification, where the believer is progressively saved from the power of sin. This process involves the believer’s daily walk with the Lord, where they are being conformed more and more into the image of Christ (Rom 12:1-2; Phil 2:12-13). Sanctification is not automatic but requires the believer’s active cooperation through the filling of the Holy Spirit (Eph 5:18), walking by faith (2 Cor 5:7), and the practice of spiritual disciplines such as biblical meditation (Psa 1:2), prayer (1 Th 5:17), good works (Gal 6:10), and service to others (1 Pet 4:1). The believer is continually growing in grace and knowledge (2 Pet 3:18), being set apart for God’s purposes and living in a way that glorifies Him (1 Cor 10:31).

In the future, salvation is understood as glorification, where the believer will be saved from the presence of sin when they are fully conformed to the image of Christ (Rom 8:30; Phil 3:20-21; 1 John 3:2). Glorification occurs when Christ returns and the believer receives a resurrected, imperishable body, free from the effects of sin (1 Cor 15:51-54). This final phase of salvation will complete God’s redemptive work, and the believer will dwell eternally in the presence of God, experiencing the fullness of salvation that was promised. Concerning our future glorification, Chafer states, “The believer is yet to be saved from the presence of sin when presented faultless in glory (Rom 13:11; 1 Th 5:8; Heb 1:14; 9:28; 1 Pet 1:3–5; 1 John 3:1–3).”[3]

In summary, the three tenses of salvation—justification, sanctification, and glorification—represent the full scope of God’s redemptive work in the life of a believer. Justification, which secures the believer’s position before God, is a one-time event that is solely the work of God, offering eternal assurance. Sanctification, the ongoing process of growth in holiness, requires the believer’s active participation and cooperation with the Holy Spirit. Finally, glorification will be the ultimate fulfillment of salvation, where the believer will be free from sin’s presence and fully conformed to Christ’s image. Together, these aspects of salvation demonstrate the comprehensive nature of God’s grace and His faithful work in the life of every believer, from beginning to end.

How to Enter into Eternal Salvation

To enter into the whole salvation process, one must first receive the free gift of eternal life, which is offered solely through faith in Jesus Christ. Salvation was made possible by Jesus, the eternal Son of God (John 1:1; 17:5), who added humanity to Himself (John 1:14; Col 2:9), lived a sinless life (1 John 3:5), and willingly went to the cross to die for all (John 10:18; 1 John 2:2). Jesus died in our place and bore the punishment for our sins (Rom 5:8; 1 Pet 3:18), and as a result of His death, God the Father is forever satisfied with His payment for our sins (Rom 3:25; 1 John 2:2; 4:10). Through Jesus’ death, burial, and resurrection (1 Cor 15:3-4), forgiveness of sins and eternal life are made available to everyone, “For the grace of God has appeared, bringing salvation to all men” (Tit 2:11; cf. John 3:16; 1 Tim 2:5-6). While eternal salvation is available to all, the benefits of the cross are applied only to those who believe in Jesus as Savior, for “everyone who believes in Him receives forgiveness of sins” (Acts 10:43), and “whoever believes in Him shall not perish, but have eternal life” (John 3:16). Once saved, the Christian is eternally secure and cannot lose his salvation, for “there is now no condemnation for those who are in Christ Jesus” (Rom 8:1). The sinning Christian can bring God’s discipline (1 Cor 11:30-32; Heb 12:6; Rev 3:19), and forfeit eternal rewards (1 Cor 3:10-15), but not forfeit the gift of eternal life (John 10:28).

The Bible clearly teaches that eternal life is not earned by works or merit (Rom 4:4-5), but is a gift given by God (Eph 2:8-9). Faith alone in Christ alone is the only requirement for salvation. Paul writes, “the free gift of God is eternal life in Christ Jesus our Lord” (Rom 6:23), emphasizing that eternal life cannot be earned or purchased. If one had to do anything to obtain it, it would no longer be a gift, and grace would be nullified. Salvation, therefore, begins with trusting in Jesus Christ as the Savior, who alone can secure eternal life for us.

Once you place your faith in Christ, you enter into the process of salvation. This is not only a future hope but also an immediate change in your position before God. Good works, while important to our sanctification, are never a prerequisite for receiving salvation. Good works follow salvation as a natural expression of gratitude for God’s unmerited favor (Gal 6:10). If you have not yet trusted in Jesus, the call is simple: believe in Jesus today. Receive the free gift of eternal life, secured entirely by His finished work on the cross. You will be forever grateful for the transformation this decision brings—both in the present and for all eternity.

Dr. Steven R. Cook

If this article has enriched your understanding and walk with Christ, and you feel led to support my ministry, your generosity is greatly appreciated. Your gifts enable me to continue sharing the gospel of grace and providing in-depth biblical teachings. Thank you for partnering with me in this mission.

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[1] Earl D. Radmacher, “Salvation”, Understanding Christian Theology (Nashville, TN: Thomas Nelson Publishers, 2003), 806.

[2] Charles Caldwell Ryrie, Basic Theology: A Popular Systematic Guide to Understanding Biblical Truth (Chicago, IL: Moody Press, 1999), 318–319.

[3] Lewis Sperry Chafer, Systematic Theology, vol. 3 (Grand Rapids, MI: Kregel Publications, 1993), 6.

What is Free Grace Theology?

Free Grace Theology is a theological perspective within Protestant Christianity that emphasizes that salvation is by grace alone (we don’t deserve it), through faith alone (and not by works), in Christ alone (John 14:6; Acts 4:12), totally apart from any human effort or good works (Rom 3:28; 4:4-5; 11:6; Gal 2:16; Eph 2:8-9; 2 Tim 1:9; Tit 3:5). This means that eternal life is not something we work for, but a free gift from God, given to all who believe in Jesus as Savior (John 3:16; 20:31; Acts 16:31). Scripture affirms, “by grace you have been saved through faith; and that not of yourselves, it is the gift of God” (Eph 2:8), and that we are “justified as a gift by His grace through the redemption which is in Christ Jesus” (Rom 3:24). As Paul also wrote, “the free gift of God is eternal life in Christ Jesus our Lord” (Rom 6:23). Salvation is a gift, free to all who want it, at no cost whatsoever to the recipient, no strings attached, without charge or obligation to give anything, and freely received by those who trust solely in Jesus as their Savior.

Our salvation was very costly to God and Christ and is the most expensive gift ever offered to anyone, and His precious and gracious gift is offered freely to anyone who accepts it by faith alone in Christ alone. Jesus paid the ultimate price for our sins (Mark 10:45; Rom 5:8; 1 Pet 3:18), satisfying every righteous demand of the Father (1 John 2:2; 4:10), and forever justifying those who place their faith in Him as Savior (Rom 3:28; 6:23; Gal 2:16). Salvation is not by works, “For we maintain that a man is justified by faith apart from works of the Law” (Rom 3:28). When a person hears and accepts the gospel message that “Christ died for our sins according to the Scriptures, and that He was buried, and that He was raised on the third day according to the Scriptures” (1 Cor 15:3-4), that person can then “Believe in the Lord Jesus” for salvation (Acts 16:31), for “whoever believes in Him shall not perish, but have eternal life” (John 3:16). Believing in Christ means we trust Him to save us, for only Christ is needed for salvation. No one else. Nothing more.[1]

Our faith needs to be in Jesus alone. This, of course, is the Jesus of the Bible, for no other Jesus will do. A false Messiah, such as the Jesus of Mormonism or Jehovah’s Witness, does not save anyone. The Jesus of Scripture is the second member of the Trinity—God the Son (John 1:1; Heb 1:8)—who added perfect humanity to Himself nearly two thousand years ago (John 1:14; Col 2:9; 1 John 4:2). He was born of a Jewish virgin girl (Isa 7:14; Luke 1:26-35), in the prophesied city of Bethlehem (Mic 5:2; Matt 2:1, 6), as a biological descendant of Abraham and David (Matt 1:1), and came as the promised Jewish Messiah (Matt 1:1, 17). He lived a sinless life (2 Cor 5:21; Heb 4:15; 1 Pet 2:22; 1 John 3:5) and willingly went to the cross to die for us (John 10:18; Rom 5:8; 1 Pet 3:18), atoning for our sins (Rom 6:10; Heb 7:27; 1 Pet 1:18-19). He was raised again on the third day (Acts 10:40-41; 1 Cor 15:3-4; 1 Th 4:14), never to die again (Rom 6:9). This is the Jesus of Scripture, the One who saves those who trust solely in Him. No one else can save. Scripture declares of Jesus, “whoever believes in Him will have eternal life” (John 3:15), and again, “whoever believes in Him shall not perish, but have eternal life” (John 3:16). It further states, “He who believes in Him is not judged” (John 3:18), and “He who believes in the Son has eternal life” (John 3:36; cf. John 6:47; 10:9; 11:25; 14:6; Acts 4:12; 1 John 5:12). These passages clearly emphasize that eternal life is obtained exclusively through belief in Jesus Christ.

Those who reject Jesus as Savior will spend eternity away from God in the lake of fire, for “These will pay the penalty of eternal destruction, away from the presence of the Lord and from the glory of His power” (2 Th 1:9; cf., Rev 20:15). This is avoidable, for God “desires all men to be saved and to come to the knowledge of the truth” (1 Tim 2:4), and is “not wishing for any to perish but for all to come to repentance” (2 Pet 3:9), and to this end “He gave His only begotten Son, that whoever believes in Him shall not perish, but have eternal life” (Joh. 3:16). Salvation is available to everyone; therefore, no one goes to hell by accident, but by their own choice (John 3:18; 5:39-40). Salvation is open to all, for God has not elected anyone to damnation.

At the moment we place our faith in Jesus as our Savior, we are “born again to a living hope” (1 Pet 1:3), become “children of God” (Gal 3:26), instantly receive “forgiveness of sins” (Acts 10:43; cf. Eph 1:7; Col 2:13-14), are given “eternal life” (John 10:28), and receive “the gift of righteousness” (Rom 5:17; cf. Phil 3:9). We become “a new creature” in Christ (2 Cor 5:17), are “rescued from the domain of darkness and transferred to the kingdom of His beloved Son” (Col 1:13), are spiritually “baptized into” union with Christ (1 Cor 12:13), become part of “the body of Christ” (1 Cor 12:27), are given a spiritual “gift” (1 Pet 4:10), and are “blessed with every spiritual blessing in the heavenly places in Christ” (Eph 1:3). These are just a few of the amazing blessings we receive from God at the moment of salvation.

Once we are saved, God calls us to grow in our relationship with Him. This is accomplished as we learn and live His Word (2 Tim 2:15; 3:16-17; 1 Pet 2:2; 2 Pet 3:18), submit to Him (Jam 4:7), walk by faith (2 Cor 5:7; Heb 10:38), advance to spiritual maturity (Heb 6:1), serve Him (Rom 12:1-2), live righteously (Rom 6:11-14; 2 Tim 3:16), love others (Eph 5:1-2; 1 Th 4:9), serve others (Gal 5:13; 1 Pet 4:10), and  do good works (Gal 6:10; Eph 2:10; Tit 2:11-14), for which He promises to reward us eternally if we comply (1 Cor 3:10-15; 2 John 1:8). Those who obey God and walk by faith will develop a personal sense of destiny that is tied to the infinite, personal, creator God who has called us into a relationship and walk with Him.

If believers turn to a lifestyle of sin—like the prodigal son—they do not forfeit their salvation, for that is not possible (John 10:28; Rom 8:1). However, they do break fellowship with God (1 John 1:5-7) and place themselves under divine discipline (1 Cor 11:32; Heb 12:6). This discipline is designed to restore them to fellowship, but if they persist in rebellion, it may result in physical death (1 John 5:16) and the loss of eternal rewards (1 Cor 3:12-15; 2 John 1:8).

In conclusion, Free Grace Theology magnifies the grace of God and the sufficiency of Christ’s work on the cross. It preserves the simplicity of the gospel message—that eternal life is a free gift received through faith alone in Christ alone—and upholds the eternal security of the believer. At the same time, it clearly distinguishes salvation from discipleship, justification from sanctification, and eternal destiny from eternal rewards. This perspective not only honors the integrity of Scripture but also exalts the character of God, who is both infinitely gracious and perfectly just. As recipients of such amazing grace, we are called not to earn or keep what God has freely given, but to respond in love, gratitude, and obedience, walking by faith and living for His glory and the edification of others.

Dr. Steven R. Cook

If this article has enriched your understanding and walk with Christ, and you feel led to support my ministry, your generosity is greatly appreciated. Your gifts enable me to continue sharing the gospel of grace and providing in-depth biblical teachings. Thank you for partnering with me in this mission.

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[1] Repentance is necessary for salvation if it is understood to mean having “a change of mind” about God and trusting in Christ alone as Savior. We teach “repentance toward God and faith in our Lord Jesus Christ” (Acts 20:21). Repentance does not mean turning from sin, as unbelievers cannot stop sinning. Repentance acknowledges that God is holy and completely set apart from sin (Psa 99:9; Hab 1:13), that we are corrupted by sin and cannot save ourselves (Rom 3:10-12; Tit 3:5), and that God freely offers us forgiveness of sins (Acts 10:43) and eternal life (John 10:28) if we come to Christ alone and accept His atoning work on the cross as sufficient to save us forever. We understand that salvation is by grace alone (we don’t deserve it), through faith alone (and not by works), in Christ alone. Knowing this, we change our minds about our ability to save ourselves, understanding that He died for our sins, was buried, and raised again on the third day (1 Cor 15:3-4), and we trust in Christ alone as our Savior (Acts 16:31).