Verse-by-Verse Commentary
The Book of Jude
Chapter 1: Contend for the Faith
Jude set out to write about our common salvation, but the urgency of the hour changed his letter. Certain men had crept into the church, turning grace into a license for sin and denying the Lord. So Jude issues a call to arms: contend earnestly for the faith once delivered to the saints. Yet he does not leave believers merely on the defensive. He tells them how to stand, building themselves up in faith, praying in the Spirit, keeping themselves in the love of God, and he ends with one of the most glorious doxologies in Scripture, to the God who is able to keep us from stumbling.
About This Commentary
This is a verse-by-verse study of Jude, a single chapter of twenty-five verses. For each section you will find the KJV text, the Greek words that sharpen the meaning, plain explanation, and a Gospel Focus. Jude urges believers to contend for the faith and to keep themselves in God's love. Every Scripture quotation is from the New King James Version.
Setting the Stage
A Call to Contend
Jude is a short, urgent letter warning against false teachers who had crept into the church, and calling believers to contend for the true faith while building themselves up in it.
Jude, Brother of James
The author identifies himself as "Jude... brother of James," generally understood to be a half-brother of Jesus, writing with deep concern for the purity of the church.
Error from Within
Ungodly men had slipped into the fellowship, twisting grace into license and denying the Lord. Jude writes to expose the danger and to fortify the faithful.
Guard and Grow
Believers must both contend for the truth against error and build themselves up in the faith, kept by the God who is able to keep them from falling.
Contend Earnestly (Jude 3)
Jude states the urgent purpose that reshaped his letter.
The Faith Once for All Delivered
"Jude, the servant of Jesus Christ, and brother of James, to them that are sanctified by God the Father, and preserved in Jesus Christ, and called: Mercy unto you, and peace, and love, be multiplied. Beloved, when I gave all diligence to write unto you of the common salvation, it was needful for me to write unto you, and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints. For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ. I will therefore put you in remembrance, though ye once knew this, how that the Lord, having saved the people out of the land of Egypt, afterward destroyed them that believed not. And the angels which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day. Even as Sodom and Gomorrha, and the cities about them in like manner, giving themselves over to fornication, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire. Likewise also these filthy dreamers defile the flesh, despise dominion, and speak evil of dignities. Yet Michael the archangel, when contending with the devil he disputed about the body of Moses, durst not bring against him a railing accusation, but said, The Lord rebuke thee. But these speak evil of those things which they know not: but what they know naturally, as brute beasts, in those things they corrupt themselves. Woe unto them! for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perished in the gainsaying of Core. These are spots in your feasts of charity, when they feast with you, feeding themselves without fear: clouds they are without water, carried about of winds; trees whose fruit withereth, without fruit, twice dead, plucked up by the roots; Raging waves of the sea, foaming out their own shame; wandering stars, to whom is reserved the blackness of darkness for ever. And Enoch also, the seventh from Adam, prophesied of these, saying, Behold, the Lord cometh with ten thousands of his saints, To execute judgment upon all, and to convince all that are ungodly among them of all their ungodly deeds which they have ungodly committed, and of all their hard speeches which ungodly sinners have spoken against him. These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling words, having men's persons in admiration because of advantage. But, beloved, remember ye the words which were spoken before of the apostles of our Lord Jesus Christ; How that they told you there should be mockers in the last time, who should walk after their own ungodly lusts. These be they who separate themselves, sensual, having not the Spirit."
Greek Study
"Contend earnestly," epagonizomai (ἐπαγωνίζομαι). To struggle or strive intensely for something, an athletic and military word. It is the root of our word "agonize." Jude calls for a determined, sustained struggle to defend the faith.
"Once for all delivered," hapax (ἅπαξ). Once for all, decisively and finally. The faith was delivered complete; it is not to be added to or evolved but guarded as it was handed down.
Explanation
Jude reveals a change of plan that shows the urgency of his letter: he had intended to write "of the common salvation," a warm treatment of shared gospel joy, but the intrusion of false teachers forced his hand. Instead he must exhort believers to "earnestly contend for the faith which was once delivered unto the saints." Note "once delivered" — the faith is a fixed deposit, handed down complete, not open to revision or addition. When error threatens the church, love for the truth turns from gentle instruction to earnest defense.
Two details in the verses that follow stop every reader. Jude says "Michael the archangel, when contending with the devil he disputed about the body of Moses" -- a scene found nowhere in the Old Testament -- and he cites a prophecy of "Enoch, the seventh from Adam," words preserved in the ancient Book of Enoch, which is no part of Scripture. Does this mean Jude endorses those writings as the word of God? Not at all. Moved by the Holy Ghost, Jude affirms one true fact carried in each account, exactly as Paul on Mars' hill quoted a line from a pagan Greek poet -- "for we are also his offspring" (Acts 17:28) -- and elsewhere named Pharaoh's magicians "Jannes and Jambres" (2 Timothy 3:8), names the Old Testament never records. Inspiration can lift a true statement out of an uninspired source without stamping that whole source as Scripture; what carries authority is the word the Spirit moved Jude to write, not the book he drew it from. And the point he presses is sharp: if even Michael, mightiest of angels, "durst not bring against him a railing accusation, but said, The Lord rebuke thee," how brazen are these false teachers who "speak evil of dignities" with reckless tongues.
Gospel Focus
Jude would rather have written about "our common salvation," but the danger of the hour demanded a call to arms: "contend earnestly for the faith which was once for all delivered to the saints." Two truths stand out. First, "the faith" is a fixed body of truth "once for all delivered", complete, not evolving; our task is to guard it, not revise it. Second, we are commanded to "contend" for it, to strive earnestly for its defense. There is a time to be gentle and a time to fight for the truth, and Jude says that when the gospel itself is under attack from within, contending is not optional. This is not a license for a quarrelsome spirit, but a call to earnest, faithful defense of the truth that saves. The faith once delivered is worth striving for.
Keep Yourselves in the Love of God (Jude 20-21)
Jude turns from warning to instruction, telling believers how to build themselves up and stay secure.
Building Yourselves Up
"But ye, beloved, building up yourselves on your most holy faith, praying in the Holy Ghost, Keep yourselves in the love of God, looking for the mercy of our Lord Jesus Christ unto eternal life. And of some have compassion, making a difference: And others save with fear, pulling them out of the fire; hating even the garment spotted by the flesh."
Greek Study
Against the danger, Jude gives four steady disciplines, built on active verbs: "building up yourselves" (epoikodomeō, to build upon a foundation) on your most holy faith, "praying in the Holy Ghost" (proseuchomai, the ordinary word for prayer, here specified as prayer carried along by the Spirit Himself), "keep yourselves in the love of God" (tēreō, to guard closely, as a man guards a treasure he cannot afford to lose), and "looking for the mercy of our Lord Jesus Christ" (prosdechomai, to wait for with eager, welcoming expectation, not grim resignation). Build, pray, keep, look — a fourfold rhythm of perseverance. The safeguard against apostasy is not merely resisting error but actively growing in faith, prayer, love, and hope.
Explanation
Jude balances his fierce warnings against false teachers with this tender charge to the faithful. The way to survive an age of error is not anxiety but growth: to keep building on "your most holy faith," to keep praying in the Spirit, and above all to "keep yourselves in the love of God" while "looking for the mercy" of Christ. It is a life reaching backward to the foundation, upward in prayer, inward in love, and forward in hope. Steady, active devotion is the best defense against being swept away.
Gospel Focus
Contending for the faith is not merely defensive; the best defense is a strong, growing faith. Jude gives four marks of the believer who stands firm: "building yourselves up on your most holy faith" (growing in the truth), "praying in the Holy Spirit" (a vital, Spirit-empowered prayer life), "keep yourselves in the love of God" (abiding in fellowship with Him), and "looking for the mercy of our Lord Jesus Christ" (living in hope of His return). Notice the balance: God keeps us (verse 24), and yet we are told to "keep yourselves in the love of God." God's keeping and our responsibility work together; we remain in His love by continuing in these practices. The way to stand against error is not merely to argue but to grow, pray, abide, and hope. A believer built up and abiding in God's love is not easily moved.
To Him Be Glory (Jude 24-25)
Jude closes with a doxology of confidence: the God who is able to keep us to the end.
Able to Keep You from Stumbling
"Now unto him that is able to keep you from falling, and to present you faultless before the presence of his glory with exceeding joy, To the only wise God our Saviour, be glory and majesty, dominion and power, both now and ever. Amen."
Greek Study
The great doxology rests on two precise words. God is "able to keep you from falling" — aptaistos, "without stumbling," a sure-footed keeping — "and to present you faultless" — amōmos, without blemish, the word for a spotless sacrifice — "before the presence of his glory with exceeding joy." The believer's final blamelessness is not self-produced but God-secured; the One who keeps us from stumbling will set us spotless before His glory.
Explanation
Jude ends not with the false teachers but with God, lifting the reader's eyes from danger to security. After a whole letter about those who fell away, he anchors the faithful in the One "able to keep you from falling." Our perseverance finally rests on God's power, not our grip — He keeps, He presents, He does it "with exceeding joy." And all glory is given "to the only wise God our Saviour," for salvation from first to last is His work. The book that trembles at apostasy closes in unshakable confidence in the God who holds His own.
Gospel Focus
After a letter full of warnings about those who fell, Jude ends on a note of triumphant assurance: God "is able to keep you from stumbling, and to present you faultless before the presence of His glory." The One we contend for is also the One who keeps us. We build ourselves up and keep ourselves in His love (verse 21), yet ultimately it is God who preserves us and will one day present us "faultless" and full of "exceeding joy." This is the confidence that steadies us against every deception and danger: our security rests finally on God's power to keep, not on our own strength to hold on. And notice how Jude describes Him, "to God our Savior, who alone is wise," the one true God who saves. To Him belongs "glory and majesty, dominion and power, both now and forever." The God who is able to keep us deserves all the glory, and He will bring His own safely home.
Jude in Review
Jude, a short and urgent letter, calls the church to contend earnestly for the faith once for all delivered to the saints, because ungodly men had crept in, turning grace into license and denying the Lord. But Jude does not leave believers merely defending; he tells them how to stand: building themselves up in the faith, praying in the Holy Spirit, keeping themselves in the love of God, and looking for the mercy of Christ. He closes with a soaring doxology to the God who is able to keep us from stumbling and present us faultless before His glory.
For the Apostolic reader, this little letter is both a battle cry and a comfort. The faith is a fixed treasure, once for all delivered, worth contending for when it comes under attack. The way to stand is not only to argue but to grow, pray, abide in God's love, and hope in Christ. And through it all, our ultimate security is God Himself, who is able to keep us from falling and will bring us safely home with exceeding joy. Contend for the truth, keep yourself in His love, and trust the God who is able to keep you.
- The faith was "once for all delivered"; we guard it, not revise it, and contend for it when attacked.
- The best defense is a strong faith: build up, pray in the Spirit, abide in God's love, hope in Christ.
- God's keeping and our responsibility work together; we keep ourselves in His love.
- Our final security is God, who is able to keep us from stumbling and present us faultless.
Questions for Reflection
- The faith is "once for all delivered." Are you guarding it faithfully, or open to revising it with the culture?
- Jude's four marks build a strong faith. Which one, growing, praying, abiding, or hoping, most needs attention in your life?
- How does knowing God "is able to keep you from stumbling" give you confidence against deception and failure?
References & Sources
Scripture is quoted from the King James Version (KJV). The Greek terms are standard and can be checked in any lexicon. Supporting passages are listed so every claim can be verified in its own setting. If anything here does not look right, a verse, a reference, or a wording, please tell us at info@FruitBearers.net. Thank you for helping us keep Bible Learning error free.
- Contending for the faith once for all delivered: Jude 3-4; Galatians 1:6-9.
- Building up, praying, abiding, and hoping: Jude 20-21; Colossians 2:6-7.
- God's keeping and our keeping together: Jude 21, 24; Philippians 2:12-13.
- The doxology to God our Savior who alone is wise: Jude 24-25; Romans 16:25-27.
- God able to keep and present us faultless: Ephesians 5:27; 1 Thessalonians 5:23-24.