What does the Bible say about lust?
Matthew 5:27-30
27 “You have heard that it was said, ‘You shall not commit adultery.’
28 But I tell you that anyone who looks at a woman lustfully has already committed adultery with her in his heart.
29 If your right eye causes you to stumble, gouge it out and throw it away. It is better for you to lose one part of your body than for your whole body to be thrown into hell.
30 And if your right hand causes you to stumble, cut it off and throw it away. It is better for you to lose one part of your body than for your whole body to go into hell.
New International Version (NIV)
The answer
Scripture calls lust sin in the heart, even when no outward sexual act follows. Jesus teaches that looking at a woman in order to lust after her is already adultery in the heart (Matthew 5:28). Lust is therefore more than noticing beauty or experiencing temptation: it is desire deliberately welcomed and pursued contrary to God’s will. It leads toward spiritual death, but Christ offers forgiveness, cleansing, and real freedom to those who repent.
What lust is—and what it is not
- Not every desire is evil. The Greek word behind “lust” in Matthew 5:28 means to set one’s heart upon something. The same word family can describe a good desire: Jesus earnestly desired to eat the Passover with His disciples (Luke 22:15). Desire becomes sinful when its object or direction violates God’s will.
- Temptation itself is not sin. Jesus was tempted in every way, yet without sin (Hebrews 4:15). James 1:14-15 describes temptation, then lust conceiving and bearing sin. Nevertheless, Matthew 5:28 shows that an outward act is unnecessary: the deliberately lustful gaze is already heart-adultery.
- Sexual desire within God’s design is not condemned. Marriage is honourable and the marriage bed undefiled, while God judges sexual immorality and adultery (Hebrews 13:4).
Why God takes lust seriously
Lust is not harmless merely because it remains private. James 1:15 says that sin, when full-grown, produces death. Galatians 5:19-21 names adultery, sexual immorality, uncleanness, and lustfulness among the works of the flesh, warning that those who practise such things will not inherit God’s kingdom.
God’s will is sanctification: abstaining from sexual immorality, controlling the body in holiness and honour rather than passionate lust, and refusing to wrong another person (1 Thessalonians 4:3-8). Rejecting this command is not merely rejecting a human rule; it is rejecting God.
That seriousness explains Jesus’ language about tearing out an eye or cutting off a hand rather than being cast into Gehenna (Matthew 5:29-30). This is not a command to mutilate the body; it is a demand for drastic action against whatever leads into sin.
How believers are to respond
- Flee lust and stop feeding it. Romans 13:14 commands believers to make no provision for the flesh and its lusts; 2 Timothy 2:22 says to flee youthful lusts and pursue righteousness, faith, love, and peace. Using pornography or deliberately rehearsing sexual fantasies to feed desire falls under these commands.
- Walk by the Spirit. The Spirit’s work produces self-control, and those who belong to Christ are called to crucify the flesh with its passions and lusts (Galatians 5:16, 22-24). This is active dependence on God, not willpower alone.
- Fill the heart with God’s word and seek honest fellowship. Psalm 119:11 connects treasuring God’s word inwardly with not sinning against Him. James 5:16 also directs believers to confess sins to one another and pray for one another.
The hope for the lustful
Lust is not beyond the grace of Christ. While people were still sinners, Christ died for them (Romans 5:8). Those who confess their sins receive God’s faithful forgiveness and cleansing (1 John 1:9). Paul could say of people formerly trapped in sexual immorality and adultery that they had been washed, sanctified, and justified in the name of the Lord Jesus and in the Spirit of God (1 Corinthians 6:9-11).
That grace is never permission to continue in sin: those who have died to sin are called no longer to live in it (Romans 6:1-2). The gospel therefore calls for repentance, not concealment or resignation—and promises new life rather than a lifetime ruled by lust.
Answered from Scripture · reviewed November 11, 2026
Scripture does not treat lust as an innocent or harmless impulse, but as sin conceived in the heart that violates God's holy design for purity and marriage. From the prohibitions of the Law to Christ's piercing teaching in the Sermon on the Mount, the Bible exposes lust's origin, reveals its destructive end, and provides the only path of deliverance through the Holy Spirit.
The Inner Law
Lust Violates the Seventh Commandment in the Heart
But I tell you that anyone who looks at a woman lustfully has already committed adultery with her in his heart.
Matthew 5:28 (NIV)
Jesus clarifies that the ancient commandment against adultery applies directly to the inward lust of the eyes and mind.
In Matthew 5:28, Jesus pierces through external moralism to expose the true jurisdiction of God's holy law: "everyone who looks at a woman with lustful intent has already committed adultery with her in his heart." The ancient covenant explicitly forbade the physical rupture of marital fidelity, declaring plainly in Exodus 20:14 and Deuteronomy 5:18, "You shall not commit adultery." Yet the divine commandment was never merely a civic restriction governing physical bodies; it was designed from the beginning to examine the invisible affections of the mind. Moses drove this reality home when reiterating the moral law in Deuteronomy 5:21 and Exodus 20:17, explicitly outlawing the inward appetite that covets a neighbor's wife.
When Jesus addresses the crowd in Matthew 5:27, He cites the historical understanding of the seventh commandment only to dismantle the false comfort of the Pharisees, who assumed righteousness belonged to anyone who had avoided the outward deed. Christ establishes that God assesses the gaze, the calculation, and the fantasy with the very same severity as the physical act. The Apostle Paul affirms this convicting work of the commandments in Romans 7:7, confessing that he would not have understood the depths of his own spiritual bankruptcy except that the Law declared, "You shall not covet." Unlawful desire is itself an aggressive transgression against holy love. For this reason, Paul explains in Romans 13:9 that the prohibition against coveting—alongside the ban on adultery—is fundamentally summarized by loving one's neighbor as oneself. Lust objectifies, covets, and destroys, breaking the law of God long before a physical hand is ever lifted.
| Passage | What it says |
|---|---|
| Exodus 20:14 | The seventh commandment directly forbids the outward act of adultery. |
| Deuteronomy 5:18 | Reiterates the divine moral law prohibiting adultery to the covenant community. |
| Deuteronomy 5:21 | Explicitly forbids coveting another person's spouse, reaching to inward unlawful desire. |
| Matthew 5:27 | Jesus cites the seventh commandment as understood historically by the people. |
| Matthew 5:28 | States that anyone looking at a woman with lustful intent has already committed adultery inwardly. |
| Romans 7:7 | Paul explains that the law against coveting exposes the inward reality of sinful desire. |
| Exodus 20:17 | Forbids coveting a neighbor's wife, establishing internal desire as subject to divine law. |
| Romans 13:9 | Cites the prohibition against coveting as summed up in loving one's neighbor. |
The Heart's Spring
Lust Originates Within Man's Fallen Nature
but each person is tempted when they are dragged away by their own evil desire and enticed.
James 1:14 (NIV)
James identifies the true source of temptation as each person's own inward desires rather than God or mere outward circumstance.
In James 1:14, Scripture locates the origin of all sinful seduction not in outward circumstance or demonic coercion, but squarely within the fallen soul: "each person is tempted when he is lured and enticed by his own desire." Sin does not enter from a pure vacuum; it finds an eager accomplice in fallen human nature. James traces the genealogy of ruin in James 1:15, showing how inward desire conceives sin, and sin, when fully grown, gives birth to eternal death. This matches the diagnosis of Jesus in Mark 7:21-22, where the Lord insists that sexual immorality, adulteries, and evil thoughts do not originate outside the body, but proceed directly out of the human heart. Job understood the treachery of this inward alignment when he confessed the peril of his heart walking after the sight of his eyes in Job 31:7.
This corrupt disposition is universal to humanity since the Fall. Following the catastrophe of Eden, Genesis 6:5 and Genesis 8:21 record that the intention of man's heart is wicked from his youth, a reality echoed in Jeremiah 17:9, which names the unregenerate heart deceitful above all things and desperately sick. The Apostle John summarizes this rebellion in 1 John 2:16, warning that the lust of the flesh, the lust of the eyes, and the pride of life are entirely of this passing world rather than the Father. In Romans 1:24, God gives unrepentant sinners over to the impurity springing from their own heart's cravings, while Romans 7:8 reveals that indwelling sin seizes divine prohibitions precisely to provoke rebellious covetousness. Natural humanity lives enslaved to these unruly passions, carrying out the cravings of the flesh as recorded in Ephesians 2:3, while James 4:1 traces all relational strife to the internal passions warring within.
| Passage | What it says |
|---|---|
| Job 31:7 | Describes the danger of the heart wandering after the enticement of the eyes. |
| Mark 7:21-22 | Jesus lists evil thoughts, adulteries, and sexual immorality as proceeding out of the human heart. |
| James 1:14 | Affirms that temptation takes hold when one is dragged away and enticed by personal desire. |
| James 1:15 | Traces the lineage of sin from conception in lust to birth and ultimate death. |
| 1 John 2:16 | Classifies the lust of the flesh and of the eyes as worldly rather than from the Father. |
| Genesis 6:5 | Identifies every intention of the thoughts of fallen man's heart as only evil continually. |
| Genesis 8:21 | Affirms that the intention of man's heart is evil from his youth. |
| Jeremiah 17:9 | Declares the human heart deceitful above all things and desperately sick. |
| Romans 1:24 | Records God giving men up in the lusts of their hearts to impurity. |
| Romans 7:8 | Explains how indwelling sin seized opportunity through the commandment to produce all kinds of covetousness. |
| Ephesians 2:3 | Describes natural man as living in the passions of the flesh, carrying out desires of body and mind. |
| James 4:1 | Identifies the source of conflicts as internal worldly passions waging war within. |
The Cost of Sin
Lust Consumes and Destroys the Soul
If your right eye causes you to stumble, gouge it out and throw it away. It is better for you to lose one part of your body than for your whole body to be thrown into hell.
Matthew 5:29 (NIV)
Jesus urges radical action against whatever fuels lust to escape the final judgment of Gehenna.
In Matthew 5:29, the Lord Jesus underscores the dreadful finality of unmortified lust: "If your right eye causes you to sin, tear it out and throw it away. For it is better that you lose one of your members than that your whole body be thrown into hell." He repeats this urgent warning in Matthew 5:30, demanding the severing of an offending hand rather than having the entire person cast into Gehenna. The Old Covenant foreshadowed this terrible gravity through civil penalties that removed persistent adulterers from Israel, as commanded in Leviticus 20:10 and Deuteronomy 22:22. The historical record proves this destructive harvest: at Kibroth-hattaavah, recorded in Numbers 11:34, a generation died because they craved evil, a solemn warning applied directly to the church in 1 Corinthians 10:6. King David's rooftop gaze upon Bathsheba in 2 Samuel 11:2 brought slaughter upon his household, while Amnon's unchecked craving for Tamar in 2 Samuel 13:1-2 destroyed a royal family.
Wisdom literature paints lust as an appetite that devours the soul. In Job 31:12, unchecked passion is a fire that burns down to destruction. Solomon warns against coveting a seductress's beauty in Proverbs 6:25, declaring in Proverbs 6:32 that whoever commits adultery destroys his own life. The forbidden woman offers sweet words, yet Proverbs 2:16-19, Proverbs 5:3-5, Proverbs 5:8-12, Proverbs 7:21-23, and Proverbs 7:25-27 trace her footsteps directly down to the chambers of Sheol, like an ox walking oblivious to slaughter. The New Testament reinforces this sobering reality: Romans 1:26-27, Romans 6:21, and Romans 8:6 declare that the mind set on fleshly passions ends in death. Paul warns unequivocally in 1 Corinthians 6:9-10, Galatians 5:19-21, and Ephesians 5:5 that those who persist in sexual immorality will not inherit the kingdom of God. Hebrews 13:4, 2 Peter 2:9-10, and Jude 1:7 affirm that God's unbending judgment awaits all who pursue the fire of defiling lust.
| Passage | What it says |
|---|---|
| Leviticus 20:10 | Mandates capital punishment under the civil law for the adulterer and adulteress. |
| Deuteronomy 22:22 | Enforces severe civil judgment to purge moral evil from the midst of Israel. |
| Proverbs 6:25 | Warns against lusting after unlawful beauty in the inner chambers of the heart. |
| Proverbs 6:32 | Declares that the one committing adultery lacks sense and destroys his own soul. |
| Job 31:12 | Characterizes sexual sin as an unquenchable fire burning down to utter destruction. |
| Matthew 5:29 | Commands removing an offending eye rather than having the whole body cast into hell. |
| Matthew 5:30 | Commands cutting off an offending hand to avert final ruin in Gehenna. |
| Numbers 11:34 | Records Kibroth-hattaavah named as the grave of the people who craved intensely. |
| 2 Samuel 11:2 | Shows David walking on his roof and gazing upon Bathsheba, giving entrance to fatal lust. |
| 2 Samuel 13:1-2 | Details Amnon's obsessive craving for his half-sister Tamar leading to violence and ruin. |
| Proverbs 2:16-19 | Warns that none who go down to the adulteress return or regain the paths of life. |
| Proverbs 5:3-5 | Contrasts the smooth words of the forbidden woman with her bitter end leading to Sheol. |
| Proverbs 5:8-12 | Urges staying far from the seductress lest one forfeit honor, wealth, and mourn at the end. |
| Proverbs 7:21-23 | Compares the seduced youth to an ox going to the slaughter or a bird rushing into a snare. |
| Proverbs 7:25-27 | Advises the heart not to stray toward her paths, for her house leads down to death. |
| Romans 1:26-27 | Describes shameful lusts and unnatural passions bringing due penalty upon men and women. |
| Romans 6:21 | States that the end of shameful sinful deeds is eternal death. |
| Romans 8:6 | Contrasts the mind set on the flesh, which is death, with the mind set on the Spirit. |
| 1 Corinthians 6:9-10 | Warns that the sexually immoral and adulterers will not inherit the kingdom of God. |
| 1 Corinthians 10:6 | Cites Israel's wilderness craving as an example not to desire evil as they did. |
| Galatians 5:19-21 | Lists sexual immorality and sensuality as fleshly works whose practitioners do not inherit God's kingdom. |
| Ephesians 5:5 | Affirms that no sexually impure or covetous person has an inheritance in Christ's kingdom. |
| Hebrews 13:4 | Declares that God will judge the sexually immoral and adulterous. |
| 2 Peter 2:9-10 | Confirms the Lord reserves the unrighteous for punishment, especially those indulging corrupt fleshly desires. |
| Jude 1:7 | Cites Sodom and Gomorrah indulging in sexual immorality as undergoing the punishment of eternal fire. |
The Holy Walk
The Believer Mortifies Fleshly Passions
So I say, walk by the Spirit, and you will not gratify the desires of the flesh.
Galatians 5:16 (NIV)
Paul provides the positive engine of Christian victory: walking by the Holy Spirit overcomes the pull of fleshly desires.
In Galatians 5:16, the Apostle Paul reveals the victorious power of the Christian life: "walk by the Spirit, and you will not gratify the desires of the flesh." Victory over lust is not a matter of cold resolve, but of Spirit-empowered mortification. In Romans 8:13, the believer is called to put to death the deeds of the body through the Holy Spirit. The patriarch Job modeled this vigilance in Job 31:1, making a formal covenant with his eyes not to gaze upon a maiden, while the psalmist prayed in Psalms 119:9 and Psalms 119:37 to store up God's word and have his gaze turned from worthless vanity. When temptation strikes, Scripture orders flight: 1 Corinthians 6:18 commands saints to flee sexual immorality, remembering that their bodies are temples of the Holy Spirit bought with a price, as affirmed in 1 Corinthians 6:19-20. Likewise, Paul charges Timothy in 2 Timothy 2:22 to flee youthful passions and pursue holiness, while Peter urges pilgrims in 1 Peter 2:11 to abstain from fleshly lusts that wage war against the soul.
This warfare requires radical practical discipline. In Romans 6:12 and Romans 13:14, believers are commanded not to let sin reign, but to put on the Lord Jesus Christ and make no provision for the flesh. Paul describes subduing his own physical appetites in 1 Corinthians 9:27, trusting the sovereign promise of 1 Corinthians 10:13 that God provides a path of escape in every temptation. God has ordained honorable marriage as a holy safeguard against immorality (1 Corinthians 7:2, 1 Corinthians 7:9; 1 Thessalonians 4:3-5). Through union with Christ, saints have crucified the flesh with its passions (Galatians 5:24; Ephesians 4:22; Colossians 3:5). Taught by grace, believers renounce ungodly desires (Titus 2:11-12), living in reverent fear (1 Peter 1:14-15, 1 Peter 4:1-2) as partakers of the divine nature who have escaped worldly corruption (2 Peter 1:4).
| Passage | What it says |
|---|---|
| Job 31:1 | Records a deliberate personal covenant made with the eyes to avoid lustful gazing. |
| Romans 8:13 | Instructs believers to put to death the deeds of the body through the Holy Spirit. |
| 1 Corinthians 6:18 | Orders believers to flee from sexual immorality as a sin against one's own body. |
| 1 Corinthians 6:19-20 | Reminds saints that their bodies are temples bought with a price to glorify God. |
| Galatians 5:16 | Promises that walking in the Spirit prevents the fulfillment of the flesh's lusts. |
| 1 Thessalonians 4:3-5 | States God's will for sanctification, urging self-control instead of the passion of lust. |
| 2 Timothy 2:22 | Commands the young disciple to flee youthful lusts and pursue righteousness. |
| 1 Peter 2:11 | Urges pilgrims to abstain from fleshly lusts that wage war against the soul. |
| Psalms 119:9 | Asks how a young man keeps his way pure, answering: by guarding it according to God's word. |
| Psalms 119:37 | Petitions the Lord to turn eyes away from looking at worthless vanities. |
| Romans 6:12 | Commands believers not to let sin reign in mortal bodies to obey its lusts. |
| Romans 13:14 | Exhorts putting on the Lord Jesus Christ and making no provision for fleshly desires. |
| 1 Corinthians 7:2 | Instructs each man to have his own wife to avoid temptation toward sexual immorality. |
| 1 Corinthians 7:9 | Recommends marriage for those lacking self-control, because it is better to marry than to burn. |
| 1 Corinthians 9:27 | Describes Paul disciplining his body and keeping it under control lest he be disqualified. |
| 1 Corinthians 10:13 | Promises that God is faithful and will provide the way of escape under any temptation. |
| Galatians 5:24 | Declares that those who belong to Christ Jesus have crucified the flesh with its passions. |
| Ephesians 4:22 | Instructs believers to put off the old self corrupted by deceitful lusts. |
| Colossians 3:5 | Directs believers to put to death sexual immorality, impurity, passion, and evil desire. |
| Titus 2:11-12 | Shows the grace of God training believers to renounce ungodliness and worldly passions. |
| 1 Peter 1:14-15 | Commands obedience without conforming to former lusts, walking instead in divine holiness. |
| 1 Peter 4:1-2 | Urges arming oneself with Christ's resolve to live no longer for human passions but God's will. |
| 2 Peter 1:4 | Testifies that believers partake of the divine nature, escaping the corruption in the world through lust. |
Where in the Bible
| Book | Passages |
|---|---|
| Genesis | 2 · Genesis 6:5, Genesis 8:21 |
| Exodus | 2 · Exodus 20:14, Exodus 20:17 |
| Leviticus | 1 · Leviticus 20:10 |
| Numbers | 1 · Numbers 11:34 |
| Deuteronomy | 3 · Deuteronomy 5:18, Deuteronomy 5:21, Deuteronomy 22:22 |
| 2 Samuel | 2 · 2 Samuel 11:2, 2 Samuel 13:1-2 |
| Job | 3 · Job 31:7, Job 31:12, Job 31:1 |
| Psalms | 2 · Psalms 119:9, Psalms 119:37 |
| Proverbs | 7 · Proverbs 6:25, Proverbs 6:32, Proverbs 2:16-19, Proverbs 5:3-5, Proverbs 5:8-12, Proverbs 7:21-23, Proverbs 7:25-27 |
| Jeremiah | 1 · Jeremiah 17:9 |
| Matthew | 4 · Matthew 5:27, Matthew 5:28, Matthew 5:29, Matthew 5:30 |
| Mark | 1 · Mark 7:21-22 |
| Romans | 10 · Romans 7:7, Romans 13:9, Romans 1:24, Romans 7:8, Romans 1:26-27, Romans 6:21, Romans 8:6, Romans 8:13, Romans 6:12, Romans 13:14 |
| 1 Corinthians | 8 · 1 Corinthians 6:9-10, 1 Corinthians 10:6, 1 Corinthians 6:18, 1 Corinthians 6:19-20, 1 Corinthians 7:2, 1 Corinthians 7:9, 1 Corinthians 9:27, 1 Corinthians 10:13 |
| Galatians | 3 · Galatians 5:19-21, Galatians 5:16, Galatians 5:24 |
| Ephesians | 3 · Ephesians 2:3, Ephesians 5:5, Ephesians 4:22 |
| Colossians | 1 · Colossians 3:5 |
| 1 Thessalonians | 1 · 1 Thessalonians 4:3-5 |
| 2 Timothy | 1 · 2 Timothy 2:22 |
| Titus | 1 · Titus 2:11-12 |
| Hebrews | 1 · Hebrews 13:4 |
| James | 3 · James 1:14, James 1:15, James 4:1 |
| 1 Peter | 3 · 1 Peter 2:11, 1 Peter 1:14-15, 1 Peter 4:1-2 |
| 2 Peter | 2 · 2 Peter 2:9-10, 2 Peter 1:4 |
| 1 John | 1 · 1 John 2:16 |
| Jude | 1 · Jude 1:7 |
The story in order
- Man's heart is evil from youth (c. 2350 BC) · Genesis 8:21 · Establishes the fallen nature from which lust arises.
- Law forbids coveting spouse (c. 1450 BC) · Exodus 20:17 · Shows God's law reaches inward to sinful desire.
- Israel craved intensely (c. 1450 BC) · Numbers 11:34 · Illustrates destructive consequences of intense craving.
- David's fatal lust for Bathsheba (c. 1000 BC) · 2 Samuel 11:2 · A king's gaze leads to adultery and ruin.
- Amnon's ruinous lust for Tamar (c. 1000 BC) · 2 Samuel 13:1-2 · Obsessive desire leads to violence and disgrace.
- Jeremiah warns of deceitful hearts (c. 600 BC) · Jeremiah 17:9 · Declares the heart's inherent corruption.
- Jesus exposes lust as adultery (c. AD 30) · Matthew 5:28 · Christ equates lustful looking with inward sin.
- Jesus commands self-amputation (c. AD 30) · Matthew 5:29-30 · Urgency to remove what causes sin, averting hell.
- Paul on indwelling sin and lust (c. AD 57) · Romans 7:8 · Sin uses commandments to produce covetousness.
- Worldly lusts lead to impurity (c. AD 57) · Romans 1:24 · God gives up those who indulge lusts.
- Fleshly works do not inherit kingdom (c. AD 57) · Galatians 5:19-21 · Lists sexual immorality as a fleshly work.
- Flee youthful lusts (c. AD 67) · 2 Timothy 2:22 · Instruction to pursue righteousness and purity.
- Abstain from fleshly lusts (c. AD 64) · 1 Peter 2:11 · Pilgrims must fight lusts warring against the soul.
- Sodom and Gomorrah's judgment (c. AD 65) · Jude 1:7 · Example of eternal fire for sexual immorality.
Key words
- Lust (epithymia (Gk.))
- Intense, unlawful desire, especially sexual. · James 1:15
- Covet (epithymeō (Gk.))
- To desire strongly, often unlawfully. · Exodus 20:17
- Adultery (moicheia (Gk.))
- Sexual unfaithfulness to one's spouse. · Matthew 5:28
- Flesh (sarx (Gk.))
- Human nature in its fallen, sinful state. · Romans 8:6
- Heart (kardia (Gk.))
- The inner person, seat of desires and will. · Jeremiah 17:9
- Sin (hamartia (Gk.))
- Rebellion against God's law; falling short of His standard. · James 1:15
- Mortify (thanatoō (Gk.))
- To put to death; to subdue or control. · Romans 8:13
Believers are not left helpless against the pull of illicit desire, for Christ has purchased both their pardon and their liberation. By guarding the senses, fleeing temptation, and walking faithfully in the Spirit, the heart is continually renewed to reflect the holiness of its Redeemer.
68 passages, each cited once.
Scripture cited
- James 1:13-15
- Romans 13:13-14
- 1 Corinthians 6:18-20
- 1 Thessalonians 4:3-8
- Galatians 5:16-24
- 1 John 1:9
- Hebrews 13:4
- Hebrews 4:15
- 1 Corinthians 6:9-11
- Romans 5:8
- Romans 6:1-2
- Romans 6:12-14