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1 John 3

KJV · Chapter 3/5

1Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.

2Beloved, now are we the sons of God, and it doth not yet appear what we shall be: but we know that, when he shall appear, we shall be like him; for we shall see him as he is.

3And every man that hath this hope in him purifieth himself, even as he is pure.

4Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.

5And ye know that he was manifested to take away our sins; and in him is no sin.

6Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.

7Little children, let no man deceive you: he that doeth righteousness is righteous, even as he is righteous.

8He that committeth sin is of the devil; for the devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.

9Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.

10In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, neither he that loveth not his brother.

11For this is the message that ye heard from the beginning, that we should love one another.

12Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother’s righteous.

13Marvel not, my brethren, if the world hate you.

14We know that we have passed from death unto life, because we love the brethren. He that loveth not his brother abideth in death.

15Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.

16Hereby perceive we the love of God, because he laid down his life for us: and we ought to lay down our lives for the brethren.

17But whoso hath this world’s good, and seeth his brother have need, and shutteth up his bowels of compassion from him, how dwelleth the love of God in him?

18My little children, let us not love in word, neither in tongue; but in deed and in truth.

19And hereby we know that we are of the truth, and shall assure our hearts before him.

20For if our heart condemn us, God is greater than our heart, and knoweth all things.

21Beloved, if our heart condemn us not, then have we confidence toward God.

22And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing in his sight.

23And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.

24And he that keepeth his commandments dwelleth in him, and he in him. And hereby we know that he abideth in us, by the Spirit which he hath given us.

📖 Chapter study

Summary

John celebrates the great love of God that makes us his children, and teaches that whoever habitually practices sin does not truly know God. He contrasts the example of Cain, who hated and killed his brother, with the call to love one another in deed and truth, not merely in word.

Explanation

The identity of being 'children of God' is presented as already real in the present, even though its future fullness is not yet fully visible—creating a tension between the 'already' and the 'not yet' common in New Testament theology. The use of Cain as a negative example, referring to the first murder in biblical history (Genesis 4), illustrates the extreme opposite of the brotherly love John demands from his readers. The famous instruction to love 'not in word, neither in tongue, but in deed and in truth' (3:18) sums up the practical tone of the whole letter: feelings of love without concrete action are not enough. Today's practical application is to check whether the love we profess translates into real, tangible help for those in need.

Fun facts

  • The reference to Cain (3:12) is the only direct mention of that Genesis 4 story in all the New Testament letters outside the book of Hebrews, showing how this narrative became a recurring symbol of fratricidal hatred in the Christian tradition.

Verse-by-verse explanation

  1. 1 John 3:1Opens the chapter in astonishment at the love of God: being called “the sons of God” is such a great privilege that the world itself, not knowing God, also fails to recognize that identity in Christians.
  2. 1 John 3:2Saying “when he shall appear, we shall be like him” speaks of a future transformation tied to Christ’s return, without spelling out exactly what that likeness would be — the text’s focus is on the hope generated by this promise, not on a detailed physical or spiritual description.
  3. 1 John 3:3Links the hope of being like Christ, mentioned in the previous verse, to a practical consequence: whoever has this hope strives to live purely, just as He is pure.
  4. 1 John 3:4Defines sin directly: it is the same as transgression of the law — that is, living against God’s law and will — a simple definition that underlies the whole argument that follows.
  5. 1 John 3:5Recalls the purpose of Jesus’ coming: to take away people’s sins — and reinforces that in Him there was no sin at all, the basis for the standard of purity expected of Christians.
  6. 1 John 3:6Contrasts remaining in Christ with living in sin: whoever truly remains in Him does not live in a pattern of sin; whoever does live that way shows that he never truly came to know Him.
  7. 1 John 3:7Warns against any deception: practicing righteousness is the real sign of being righteous, following the standard set by Christ Himself — it isn’t enough to claim it, it has to show up in practice.
  8. 1 John 3:8Contrasts whoever lives in sin with the devil, who sins from the beginning, saying that the very purpose of Jesus’ coming was precisely to destroy the works of the devil.
  9. 1 John 3:9The statement that whoever is “born of God” cannot sin is one of the most debated points in the letter, because it seems to contradict chapter 1, which already said that everyone sins. A common reading is that the text refers to a lifestyle pattern of sin, not isolated failures — but different Christian traditions interpret this tension in different ways.
  10. 1 John 3:10Sums up the test for telling apart “the children of God” from “the children of the devil”: it isn’t a visible mark, it’s practice — whoever does not act righteously and does not love his brother is not of God.
  11. 1 John 3:11Presents the letter’s central commandment, which readers already knew from the beginning: to love one another — a theme that dominates the rest of the chapter.
  12. 1 John 3:12Cain, the son of Adam and Eve who killed his brother Abel in Genesis 4, is cited here as an example of the hatred that arises when a person’s own works are evil and another’s are righteous — a moral contrast, not merely a historical account.
  13. 1 John 3:13Prepares readers for the world’s hostility: it should not be surprising to be hated by those who live outside the values described in the letter.
  14. 1 John 3:14Gives a concrete spiritual test: loving the brethren is a sign of having already passed from death to life; whoever does not love, the text says, “abideth in death.”
  15. 1 John 3:15Goes further, comparing hatred to murder itself: whoever hates his brother is called a murderer, and the text reminds that no murderer has eternal life abiding in him.
  16. 1 John 3:16Linking “love” to the willingness to lay down one’s life for the brethren uses Christ’s example as the ultimate standard, but applies that standard to concrete everyday gestures, as the text itself details in the next verse about helping someone in need.
  17. 1 John 3:17Makes love practical and concrete: seeing a brother in material need and shutting up one’s heart against him is incompatible with claiming to have the love of God.
  18. 1 John 3:18The instruction to love “not in word, neither in tongue; but in deed and in truth” sums up the letter’s argument that genuine love is proven in actions, not just in declarations.
  19. 1 John 3:19Links living according to the truth, the practical love described earlier, to inner security: this consistency is what allows the heart to be at rest before God.
  20. 1 John 3:20Acknowledges that sometimes one’s own heart accuses a person of things done — but reminds that God is greater than those inner accusations and knows everything more precisely than human conscience does.
  21. 1 John 3:21On the opposite side: when the heart does not condemn, it produces genuine confidence to approach God, without fear.
  22. 1 John 3:22Links this confidence to answered prayer: whoever keeps God’s commandments and does what is pleasing to Him receives what he asks — a promise conditioned on obedience.
  23. 1 John 3:23Sums up God’s commandment in two parts that in practice are really one: to believe in the name of Jesus Christ and to love one another, just as He commanded.
  24. 1 John 3:24Closes the chapter explaining how to know whether this obedience is really happening: through the presence of the Holy Spirit that God gave — it is this presence that confirms the mutual abiding between God and the believer.

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