Within God's plan of revelation—where the Triune God carries out His eternal purpose to redeem and restore fallen humanity—the Scriptures speak clearly about corrupted human desire and the sovereign grace that shapes the elect to resemble Christ. Lust, that intense and misdirected longing of the heart, is not simply a cultural problem but a deep expression of the total depravity passed down from Adam's disobedience. Yet, in God's plan of salvation, the Lord permit the temptation and the escape route (1 Corinthians 10:13) equips His people to put to death sinful works and pursue holiness, without which no one will see the Lord (Hebrews 12:14). This teaching gathers the biblical witness on lust in its various forms—the lust of the flesh, the lust of the eyes, and the pride of life—tracing its destructive path and the victorious journey of sanctification accomplished by God's Spirit.
The Nature and Origin of Lust: A Passion That Was Twisted by the Fall
The word translated as "lust" in our Bibles comes from the Greek epithymia, meaning a strong, passionate desire. By itself, such desire is a capacity created by God, meant so that our hearts would seek Him as a deer longs for water (Psalm 42:1–2; 73:25). The regenerated soul, awakened by God's irresistible grace, finds its highest joy in the Triune God—Father, Son, and Holy Spirit—whose glory alone satisfies the deepest needs of the human heart. However, since the Fall, this ability has become corrupted. Sinful lust turns its intensity toward what God has forbidden, whether sensual pleasure, material greed, or self-glorifying pride. As the Westminster Larger Catechism accurately teaches, the tenth commandment prohibits all dissatisfaction with our circumstances, envy or resentment toward our neighbor's good, and all excessive desires for anything that belongs to someone else.
The Apostle John identifies three categories of worldly temptation in 1 John 2:15–17: "Do not love the world or the things in the world. If anyone loves the world, the love of the Father is not in him. For all that is in the world—the lust of the flesh, the lust of the eyes, and the pride of life—is not of the Father but is of the world. And the world is passing away, and the lust of it; but he who does the will of God abides forever." Here we see the complete structure of sin's appeal. The lust of the flesh covers excessive appetites for physical pleasure, including but not limited to sexual immorality. The lust of the eyes is greedy craving for visible possessions and displays that capture our attention. The pride of life exalts ourselves in arrogant independence from God, boasting in wisdom, status, or self-rule.
This three-part attack was first used in Eden. Eve saw that the fruit was good for food (lust of the flesh), pleasing to the eye (lust of the eyes), and desirable to make one wise (pride of life; Genesis 3:6). The same strategy tested our Lord in the wilderness, yet He, the Second Adam and representative head of the elect, won through the sword of the Spirit (Matthew 4:1–11). By sovereign grace, Christ's victory is credited to His people, who are united to Him by faith alone.
The Deadly Progression of Unchecked Lust: From Desire to Death
The Epistle of James explains the structure of temptation with careful detail: "But each person is tempted when he is lured and enticed by his own desire. Then desire when it has conceived gives birth to sin, and sin when it is fully grown brings forth death" (James 1:14–15). Temptation itself is not sin; even our sinless Savior was tempted (Matthew 4:1; Hebrews 4:15). The danger comes when evil desire pulls the heart away from where it should rest—in Christ. The Greek word for "enticed" suggests a fish taking bait—once caught, the victim is inevitably pulled along.
Delaying proves deadly. Joseph ran from Potiphar's wife without hesitation (Genesis 39:11–12), demonstrating the apostolic instruction: "Flee youthful lusts" (2 Timothy 2:22). To entertain the thought is to "make provision for the flesh" (Romans 13:14), allowing the seed of desire to grow. Our Lord Himself said that looking at a woman with lust is committing adultery in the heart (Matthew 5:28), because the heart is the source of contamination (Matthew 15:19). As the Puritan John Owen wrote in his work on putting sin to death, lust must be killed at its earliest appearance, before it takes control.
Examples appear throughout sacred history. David's look at Bathsheba sparked lust that led to adultery, murder, and family destruction (2 Samuel 11). Amnon's obsession with Tamar ended in assault and shame (2 Samuel 13). Samson, powerful physically but enslaved by passion, fell to the Philistines. These stories show not just moral lessons but the working out of total depravity: the unregenerate heart is "deceitful above all things, and desperately sick" (Jeremiah 17:9), constantly seeking self-gratification.
Pornography, that modern plague flooding the senses with false images, shows the lust of the eyes and flesh. It treats people made in God's image as objects, distorts the covenant holiness of marriage (Genesis 2:24–25; Hebrews 13:4), and controls the soul, contradicting the freedom bought by Christ (1 Corinthians 6:12). Its addictive nature demonstrates the bondage of sin, from which only the effective call of the Spirit sets free.
Fleeing Lust and Pursuing Holiness: The Need for Mortification
The Apostle Paul, writing to young Timothy among false teachers, commands: "Flee youthful lusts and pursue righteousness, faith, love, and peace with those who call on the Lord from a pure heart" (2 Timothy 2:22). The verb "flee" (pheuge) requires decisive action, not negotiation. This pursuit happens together, within the community of believers, under the ordinary means of grace—Scripture, sacrament, and prayer.
Putting sin to death is not human effort but flows from being united to Christ. The believer, justified by faith alone through grace alone, is positionally made holy—set apart to God in Christ, who becomes for us "wisdom from God, righteousness and sanctification and redemption" (1 Corinthians 1:30). Yet progressive sanctification is the believer's lifelong battle, where the Spirit applies Christ's finished work on the cross, enabling us to put the old nature to death (Romans 8:13; Colossians 3:5). "Walk by the Spirit, and you will not gratify the desires of the flesh" (Galatians 5:16).
Practical responsibilities include: Take every thought captive to obey Christ (2 Corinthians 10:5). Renew your mind through Scripture (Romans 12:2), meditate on what is true, honorable, just, pure (Philippians 4:8), and pray with the Psalmist: "Let the words of my mouth and the meditation of my heart be acceptable in your sight, O LORD" (Psalm 19:14). Make agreements with your eyes (Job 31:1), filter what you watch and read, build accountability with fellow believers, and replace lustful fantasies with prayer for others, seeing them as image-bearers headed for either glory or judgment.
The Three Works of Sanctification: Positional, Progressive, and Ultimate
Reformed theology identifies three aspects of sanctification, all rooted in God's monergistic (single-agent) grace:
| Aspect | Description | Key Texts |
|---|---|---|
| Positional | Occurs at justification: the believer is declared holy in Christ, freed from sin's penalty | Hebrews 10:10; Acts 13:39 |
| Progressive | The ongoing work of the Spirit, shaping the elect to Christ's likeness through Scripture | John 17:17; Philippians 1:6; 2 Peter 3:18 |
| Ultimate (Glorification) | Awaits resurrection, when the redeemed stand faultless before God, fully delivered from sin's presence | 1 Thessalonians 5:23; 1 John 3:2; Romans 8:29–30 |
This golden chain—election, calling, justification, sanctification, glorification—shows the unbreakable covenant of grace. The Father chooses, the Son redeems, the Spirit applies—all to the praise of His glorious grace (Ephesians 1:3–14).
The Triumph of Grace: Victory Over Lust in the New Creation
Though lust battles against the soul (1 Peter 2:11), the believer is more than a conqueror through Him who loved us (Romans 8:37). The same grace that forgives also cleanses and transforms. "If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness" (1 John 1:9). The cross not only atones but breaks sin's dominion. In the new heavens and new earth, where righteousness lives, no lust will remain; every desire will be perfectly ordered to the glory of the Triune God, and His people will serve Him in holy joy forever (Revelation 21–22).
So the child of God should take courage. Though the flesh fights and the world tempts, the God who started this good work will finish it. Flee lust; pursue Christ. Fix your eyes on Jesus, the founder and perfecter of our faith (Hebrews 12:2), until faith becomes sight in the direct vision of the Triune God.
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