Sermon Title:
Walk in the Spirit: The Only Way to Defeat the Flesh
Key Passage:
Galatians 5:16 — “This I say then, Walk in the Spirit, and ye shall not fulfil the lust of the flesh.”
Series:
Foundations of the Gospel of Grace
Topic:
Walking in the Holy Spirit, Victory Over the Flesh, Practical Sanctification, and the Believer’s Daily Christian Walk
Book:
Galatians, Romans, Ephesians, Colossians, 1 Corinthians, Philippians, 1 Thessalonians
Speaker:
Paul Tackett
Suggested Sermon Text:
Galatians 5:13–26; Romans 6:1–14; Romans 7:14–25; Romans 8:1–14; Ephesians 1:13–14; Ephesians 4:22–32; Ephesians 5:15–21; Colossians 3:1–17; 1 Corinthians 6:19–20; Philippians 2:12–16; 1 Thessalonians 5:16–22
Short Sermon Description:
This detailed VerseQuest Ministries sermon outline examines Galatians 5:16 and Paul’s command, “Walk in the Spirit, and ye shall not fulfil the lust of the flesh.” The passage does not teach that believers eradicate the flesh, reach sinless perfection, or maintain salvation through spiritual performance. It teaches practical victory in the daily Christian walk through dependence upon the indwelling Holy Spirit. This sermon explains the conflict between flesh and Spirit, the distinction between the believer’s secure position in Christ and his changing practical state, the works of the flesh, the fruit of the Spirit, liberty under grace, Spirit-filled living, mortification of sinful conduct, and the necessity of yielding to revealed truth. It also shows why walking in the Spirit must never be confused with emotional excitement, mystical impressions, or religious theatrics. Pastors, teachers, Bible students, and believers will gain a strong KJV framework for understanding how a saved person can live victoriously without returning to law, trusting the flesh, or mistaking spiritual growth for the basis of salvation.
Walk in the Spirit
The Only Way to Defeat the Flesh
Introduction
Galatians 5:16 gives one of the clearest commands in Paul’s epistles concerning practical Christian victory: “This I say then, Walk in the Spirit, and ye shall not fulfil the lust of the flesh.” Notice what Paul does not say. He does not say reform the flesh, educate the flesh, baptize the flesh, polish the flesh, put the flesh under enough religious rules until it becomes respectable, or wait until the flesh finally gets tired of sinning. He says, “Walk in the Spirit.” God’s answer to the flesh is not an improved flesh. God’s answer is a believer living under the practical control of the Holy Ghost. Religion continually tries to make Adam behave well enough to impress God. Paul tells the Christian to stop putting confidence in Adam altogether.
The context is liberty under grace. Galatians was written because Judaizers were trying to drag believers back underneath a law system and turn Christian liberty into religious bondage. Paul says in Galatians 5:1, “Stand fast therefore in the liberty wherewith Christ hath made us free.” Yet Christian liberty is not permission for the flesh. Verse 13 warns, “use not liberty for an occasion to the flesh.” Grace does not tell the believer, “Since you are secure, go ahead and let Adam drive.” Grace removes the law as the ground of justification and places the saved man under a far higher practical responsibility—the indwelling Spirit of God. The Christian is not saved by law, but he is certainly not saved so the flesh can open a branch office.
That distinction is essential. Galatians 5 is written to saved people. They already belong to Christ. They already possess the Spirit. Paul is not giving sinners a seven-step program for earning eternal life. He is telling believers how to walk after receiving life. Standing and walking are different doctrines. A believer’s standing is in Christ; his walk concerns daily conduct. His standing can be perfect while his walk is poor. His salvation can be secure while his fellowship, testimony, usefulness, joy, and reward suffer badly. The answer is not to get saved again every morning. The answer is to walk in the Spirit.
I. Walking in the Spirit Is for People Who Already Possess the Spirit
Key Text: Galatians 5:16
Supporting Texts: Galatians 3:2–3; Romans 8:9; Ephesians 1:13–14
Paul’s command assumes the believer already has the Holy Ghost. Galatians 3:2 asks, “Received ye the Spirit by the works of the law, or by the hearing of faith?” The answer is obvious: by faith. Ephesians 1:13 says believers, after hearing the gospel and believing, “were sealed with that holy Spirit of promise.” Romans 8:9 states, “if any man have not the Spirit of Christ, he is none of his.” Possession of the Spirit belongs to salvation.
That means “Walk in the Spirit” is not a requirement for becoming God’s child. It is a command given because the believer is God’s child. The order matters. Religion says, “Walk well enough and perhaps God will accept you.” Grace says, “God has accepted you in Christ; now walk worthy of what He has made you.” One system works from insecurity toward acceptance. The other works from acceptance toward obedience.
This destroys the notion that practical holiness must become the foundation of justification. Holiness matters tremendously, but it belongs in the right category. The believer walks in the Spirit because he has been saved, indwelt, sealed, and placed into Christ. He does not walk in the Spirit to convince God to keep him saved. God does not hire sons on probation.
Main Truth:
Walking in the Spirit is the responsibility of believers who already possess the indwelling Holy Ghost through faith in Jesus Christ.
II. The Flesh Remains Present After Salvation
Key Text: Galatians 5:17
Supporting Texts: Romans 7:18–25; Romans 8:7–8; 1 Corinthians 3:1–3
Paul says, “For the flesh lusteth against the Spirit, and the Spirit against the flesh.” That verse would make no sense if salvation eradicated the flesh. The conflict exists precisely because the believer possesses the Spirit while still living in an unredeemed mortal body. Romans 7 records Paul saying, “For I know that in me (that is, in my flesh,) dwelleth no good thing.” He does not say the flesh became ninety percent better after conversion.
The flesh is not merely the body itself; it is fallen human nature operating independently of God. It can express itself through sensual sin, but it can also become intensely religious. The flesh can get drunk in a tavern or proud in a pulpit. It can chase immorality or congratulate itself for keeping religious rules. Legalism is flesh wearing church clothes. That is why Paul rebuked the Galatians: “Are ye so foolish? having begun in the Spirit, are ye now made perfect by the flesh?”
The Christian therefore must stop being shocked when he discovers the flesh still wants what it wanted before salvation. The presence of temptation is not proof that salvation failed. It is proof Romans and Galatians are still true. The believer’s mistake comes when he stops recognizing the enemy and starts negotiating with it. God never told you to rehabilitate the old man. He told you to reckon him dead.
Main Truth:
The flesh remains present after salvation and continues opposing the Spirit until the believer’s bodily redemption.
III. The Flesh and the Spirit Are Contrary to One Another
Key Text: Galatians 5:17
Supporting Texts: Romans 8:5–8; James 4:4; Colossians 3:1–5
Galatians 5:17 says plainly, “these are contrary the one to the other.” Flesh and Spirit do not merely have occasional disagreements. They operate from opposite principles. The flesh seeks self. The Spirit glorifies Christ. The flesh wants gratification. The Spirit produces holiness. The flesh trusts human strength. The Spirit directs dependence upon God. There is no peace treaty between them.
Romans 8 contrasts being carnally minded with being spiritually minded. “For to be carnally minded is death; but to be spiritually minded is life and peace.” The carnal mind “is enmity against God.” That is why Christians cannot make progress by giving the flesh a Christian education and hoping it becomes cooperative. Flesh may learn religious vocabulary without surrendering one ounce of rebellion.
This explains much of the internal conflict believers experience. A saved man may genuinely desire to serve God while simultaneously feeling sinful desires pulling the opposite direction. The answer is not to conclude he must be unsaved. The answer is to understand the battlefield. A dead man has no civil war. Spiritual conflict exists because the Spirit is present and the flesh remains. Victory comes by deciding which one gets fed, followed, and obeyed.
Main Truth:
The flesh and the Spirit operate from opposing principles, so Christian victory requires yielding to one and refusing the other.
IV. Walking in the Spirit Is the Biblical Answer to the Lust of the Flesh
Key Text: Galatians 5:16
Supporting Texts: Romans 8:13; Romans 6:11–14; Colossians 3:5
Paul does not say, “Fight every lust directly until you exhaust yourself.” He says, “Walk in the Spirit, and ye shall not fulfil the lust of the flesh.” The order is significant. Positive spiritual occupation produces negative victory. Fill the mind with truth, yield to God, pray, obey Scripture, serve Christ, and the flesh loses practical control. A room filled with light does not need a seminar on darkness removal.
Romans 8:13 says, “if ye through the Spirit do mortify the deeds of the body, ye shall live.” Mortify means putting sinful conduct to death in practice. Romans 6 says believers should reckon themselves “dead indeed unto sin, but alive unto God through Jesus Christ our Lord.” The believer does not defeat sin by pretending temptation does not exist. He deals with sin from the position God has already given him in Christ.
Too many Christians try to defeat flesh with flesh. They make resolutions, grit teeth, build rules, and swear they will never fail again. Then Adam smiles, waits three days, and punches through the cardboard fence. Victory does not come from increasing confidence in self-control. It comes from increasing dependence upon God’s Spirit operating through revealed truth.
Main Truth:
The lust of the flesh is practically defeated not by trusting human strength but by walking under the control of the Holy Spirit.
V. The Works of the Flesh Reveal What the Flesh Produces
Key Text: Galatians 5:19–21
Supporting Texts: Romans 1:28–32; Ephesians 5:3–7; Colossians 3:5–9
Paul says, “Now the works of the flesh are manifest.” Then comes an ugly list: adultery, fornication, uncleanness, lasciviousness, idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies, envyings, murders, drunkenness, revellings, “and such like.” God does not put lipstick on Adam. Flesh eventually produces fleshly fruit.
Notice the list contains both immoral sins and religious or relational sins. Hatred sits beside fornication. Heresies sit beside drunkenness. Strife and envy stand in the same criminal lineup as uncleanness. Christians sometimes grade sins according to what embarrasses their denomination while God reads the whole list. A man may never touch liquor and still be drunk on pride, bitterness, envy, and contention.
Paul’s warning is serious: “they which do such things shall not inherit the kingdom of God.” The passage is not teaching salvation by law-keeping; it is describing the character of flesh and warning against the life that belongs to the old nature. A saved believer should never use grace as an excuse to imitate the world from which Christ saved him. Christian liberty is not a hall pass for carnality.
Main Truth:
The works of the flesh expose the true character of fallen human nature and warn believers never to mistake grace for permission to live carnally.
VI. The Fruit of the Spirit Is Produced, Not Manufactured
Key Text: Galatians 5:22–23
Supporting Texts: John 15:4–5; Philippians 1:11; Ephesians 5:9
“But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith, Meekness, temperance.” Notice Paul says fruit, not factory output. Fruit grows because life is present and conditions permit that life to express itself. The Christian does not manufacture spiritual fruit by stapling plastic grapes onto a dead branch.
Love produced by the Spirit is more than sentimental talk. Joy survives circumstances. Peace rests in God. Longsuffering remains steady with difficult people. Gentleness refuses unnecessary harshness. Goodness chooses what pleases God. Faith trusts Him. Meekness submits strength to divine control. Temperance governs appetite rather than being governed by it. None of that requires theatrical religion. Most of it is proven in ordinary life where nobody is holding a microphone.
The fruit also exposes counterfeit spirituality. A man may boast of visions, gifts, dreams, revelations, emotional experiences, or spectacular meetings, but if his life is dominated by pride, rage, dishonesty, immorality, bitterness, and self-promotion, Galatians 5 has already graded the examination. The Spirit’s presence should eventually affect character. Fireworks make noise for five seconds. Fruit feeds people.
Main Truth:
The fruit of the Spirit is the supernatural character produced in the believer who yields to the Holy Ghost rather than feeding the flesh.
VII. Walking in the Spirit Is Not Returning to the Law
Key Text: Galatians 5:18
Supporting Texts: Galatians 3:23–25; Romans 6:14; Colossians 2:14–17
Paul says, “But if ye be led of the Spirit, ye are not under the law.” That verse belongs in every discussion of practical holiness. The answer to carnality is not putting the Church back under Moses. The believer’s sanctification is not produced by dragging Sinai into the living room and threatening Christians with covenant curses given to Israel.
Romans 6:14 says, “ye are not under the law, but under grace.” Galatians 3 says the law was a schoolmaster to bring men unto Christ, but “after that faith is come, we are no longer under a schoolmaster.” That does not make righteousness irrelevant. It changes the operating principle. The Spirit produces in the believer what external law could command but never empower fallen flesh to accomplish.
Legalism looks spiritual because it has rules, but flesh loves systems where it can compare itself with other people. “I do not do what he does; therefore I must be spiritual.” The Spirit points away from comparison and toward Christ. Law can expose sin; it cannot create spiritual fruit. You can hang commandments on a dead tree all day. It still will not grow apples.
Main Truth:
Walking in the Spirit is the believer’s grace-based path to holy living and must not be confused with returning to Israel’s law covenant.
VIII. Walking in the Spirit Requires Daily Yieldedness to Truth
Key Text: Galatians 5:25
Supporting Texts: Romans 12:1–2; Ephesians 5:18; Colossians 3:16
Paul says, “If we live in the Spirit, let us also walk in the Spirit.” Life and walk are distinguished. The believer receives spiritual life at salvation, but his practical walk requires ongoing yieldedness. Ephesians 5 commands believers to “be filled with the Spirit.” Colossians 3 says, “Let the word of Christ dwell in you richly.” Spirit-controlled living and word-controlled living belong together.
Walking implies continual movement. One good decision yesterday does not walk today’s mile. The Christian needs the Book today, prayer today, obedience today, watchfulness today, thanksgiving today, confession today, and dependence today. Yesterday’s manna did not excuse Israel from gathering today’s portion, and yesterday’s spiritual victory will not automatically fight today’s temptation.
This is also why the believer must guard inputs. What continually fills the mind eventually influences the walk. A Christian cannot soak in fleshly entertainment, gossip, anger, covetousness, sensuality, and unbelief for hours and then act puzzled when fleshly reactions come naturally. Feed the Spirit’s interests through Scripture, prayer, worship, sound fellowship, and obedience. Nobody plants weeds intentionally and then files a complaint when the garden looks weedy.
Main Truth:
Walking in the Spirit requires continual daily yieldedness to Scripture, prayer, obedience, and the Holy Spirit’s practical control.
IX. Walking in the Spirit Produces Liberty Without Carelessness
Key Text: Galatians 5:13
Supporting Texts: Romans 6:1–2; Titus 2:11–14; 2 Corinthians 5:14–15
Paul says believers are “called unto liberty,” but immediately adds, “only use not liberty for an occasion to the flesh, but by love serve one another.” There is the balance. Grace frees the believer from law as the means of justification, but grace never frees him from holiness, love, service, or accountability. Christian liberty is freedom to serve Christ, not freedom to enthrone self.
Romans 6 asks the predictable question: “Shall we continue in sin, that grace may abound?” Paul’s answer is not a committee report. “God forbid.” Titus 2 says saving grace teaches believers to deny ungodliness and worldly lusts. Grace has a classroom, and its curriculum includes holiness. Any teaching that calls itself grace while removing the necessity of Christian obedience has stolen the label and emptied the bottle.
Walking in the Spirit therefore creates genuine liberty. The believer is free from condemnation, free from law as a justification system, free from the dominion of sin, and free to serve God from love rather than terror. The flesh calls bondage liberty because flesh wants permission. The Spirit calls holiness liberty because holiness is freedom from the master Christ defeated.
Main Truth:
Christian liberty reaches its proper purpose when the believer walks in the Spirit and uses grace to serve Christ rather than feed the flesh.
Conclusion
Galatians 5:16 gives God’s answer to the believer’s daily battle: “Walk in the Spirit, and ye shall not fulfil the lust of the flesh.” The flesh remains. The conflict is real. Temptation continues. But God has not left the Christian fighting Adam with Adam. The believer possesses the indwelling Holy Ghost and therefore has divine provision for practical victory.
The passage also keeps doctrine in order. Walking in the Spirit does not save a man; Christ saves. Walking does not create standing; standing in Christ makes the walk possible. The believer is not under the law, but neither is he free to serve sin. He is free to walk by a higher principle—the indwelling Spirit producing holiness from within rather than external commandments attempting to reform fallen flesh from without.
So stop expecting the flesh to become spiritual. Stop feeding it and then complaining about its appetite. Stop trying to defeat it with religious self-confidence. Walk in the Spirit. Fill the mind with Scripture. Pray. Obey what God has already said. Put away known sin. Yield the body to God. Let the word of Christ dwell richly in you. The flesh will keep knocking until redemption day, but you are under no obligation to hand it the keys.
Final Call
Sinner, walking in the Spirit cannot save you because you do not receive the Spirit by improving your walk. You need Jesus Christ. You are a sinner before God, and no amount of moral reform can erase your guilt.
Christ died for your sins according to the Scriptures. He was buried. He rose again the third day according to the Scriptures. Believe on the Lord Jesus Christ. Salvation is by grace through faith, not by works, religion, law-keeping, or spiritual self-improvement.
Believer, you already possess the Spirit if you belong to Christ. Now obey the command: walk in Him. Do not grieve Him. Do not quench Him. Do not feed the flesh and expect spiritual fruit. Yield to truth, mortify sinful conduct, fill your mind with the word, and walk one obedient step at a time.
Closing Verse:
Galatians 5:25 — “If we live in the Spirit, let us also walk in the Spirit.”
Closing Statement:
God never commanded the Christian to make the flesh spiritual; He commanded him to walk in the Spirit so the flesh does not run the life Christ redeemed.