BIBLE BOOK GUIDE
1 John
5 chapters
1 John calls believers to fellowship with God in truth, to walk in the light, and to stand firm in the assurance of eternal life through the Son who was from the beginning.
1 John
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Why this book was written
Written near the end of the first century to churches likely in Asia Minor, 1 John addresses the threat of schismatic teachers—early proto-Gnostic voices—who denied Christ's incarnation and dismissed the duty of brotherly love. John writes to (1) strengthen believers' assurance of salvation (5:13); (2) defend apostolic truth—that Christ truly came in the flesh, that God is light, and that God is love; and (3) exhort believers to lives that match the gospel—confession of sin, love for one another, and victory over the world.
Structure
- 1:1–2:14Fellowship in the Light: The Word of Life Declared
- 2:15–3:24Walking in Truth: Children, Young Men, Fathers, and the World
- 4:1–4:21Testing the Spirits: God Is Love
- 5:1–5:21Victorious Faith: Assurance and Eternal Life
Major themes
God is Light and Truth
John declares that God is light and in Him there is no darkness (1:5). Believers walk in the light, have fellowship with God and with one another (1:6-7), forming the ethical foundation of the epistle.
Confession and Forgiveness
If we confess our sins, God—who is faithful and just—will forgive and cleanse us from all unrighteousness (1:9). Confession restores fellowship rather than producing shame.
Love for One Another
Loving one another is the new commandment and the mark of true discipleship (3:23; 4:7,21). Whoever does not love remains in death (3:14), because love originates from God (4:7-8).
Children of God versus the World
Everyone who believes that Jesus is the Christ is born of God (5:1) and overcomes the world (5:4). Yet the world with its desires passes away, while the one who does the will of God abides forever (2:15-17).
The Spirit's Witness and Discernment
The Spirit dwells in believers (3:24; 4:13) and enables us to test the spirits (4:1-3). Every spirit that confesses that Jesus Christ has come in the flesh is from God (4:2).
How it points to Christ
1 John reveals Christ in three ways. First, He is the eternal Word of life who became flesh and was manifested to the apostles (1:2; 4:2). Second, He is the propitiation for our sins and our advocate before the Father (2:1-2). Third, He is the life itself that the Father has given to believers—everyone who has the Son has life (5:11-12). Christ is also the embodiment of God's love, defining what love truly is and sending us to love one another as He loved us (3:16; 4:9-11).
Key verses
- 1:7Summarizes the book's twin themes: fellowship in the light and cleansing from sin through the blood of Jesus.
- 2:3–4Knowing God is verified by obedience—truth is visible in how one lives.
- 2:23Denying the Son means forfeiting the Father—the direct rebuttal of those rejecting Christ's incarnation.
- 3:16Christ laid down His life as the definition of love—true love must move to action.
- 4:8The book's most concentrated theological claim: the one who does not love does not know God.
- 4:18Mature love casts out fear, linking the certainty of salvation with perfected love.
- 5:11–12Eternal life is in the Son—the core assurance John writes to confirm.
- 5:13The stated purpose of the letter: that you may know you have eternal life.
People in this book
Questions for reflection
- ·How does 1 John 1:9 change your understanding of repentance and forgiveness? What role does confession play in your relationship with God?
- ·In chapter 2, John warns not to love the world. In your life, what forms of 'the desires of the flesh, the desires of the eyes, and the pride of life' (2:16) are challenging your devotion to God?
- ·John says 'God is love' (4:8). How does this definition reshape the way you view other people, especially those who are difficult to love?
- ·Verse 3:18 says 'let us not love in word or tongue, but in deed and in truth.' What specific action can you take this week to live out this verse?
- ·John presents 'overcoming the world' (5:4) as the fruit of faith. In your current circumstances, what do you need to face by faith rather than by sight?
Want to read 1 John start to finish? Open the reader for parallel Chinese/English text and ask anything as you go.
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Chapter 2
1My little children, these things write I unto you that ye may not sin. And if any man sin, we have an Advocate with the Father, Jesus Christ the righteous:
2and he is the propitiation for our sins; and not for ours only, but also for the whole world.
3And hereby we know that we know him, if we keep his commandments.
4He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;
5but whoso keepeth his word, in him verily hath the love of God been perfected. Hereby we know that we are in him:
6he that saith he abideth in him ought himself also to walk even as he walked.
7Beloved, no new commandment write I unto you, but an old commandment which ye had from the beginning: the old commandment is the word which ye heard.
8Again, a new commandment write I unto you, which thing is true in him and in you; because the darkness is passing away, and the true light already shineth.
9He that saith he is in the light and hateth his brother, is in the darkness even until now.
10He that loveth his brother abideth in the light, and there is no occasion of stumbling in him.
11But he that hateth his brother is in the darkness, and walketh in the darkness, and knoweth not whither he goeth, because the darkness hath blinded his eyes.
12I write unto you, my little children, because your sins are forgiven you for his name's sake.
13I write unto you, fathers, because ye know him who is from the beginning. I write unto you, young men, because ye have overcome the evil one. I have written unto you, little children, because ye know the Father.
14I have written unto you, fathers, because ye know him who is from the beginning. I have written unto you, young men, because ye are strong, and the word of God abideth in you, and ye have overcome the evil one.
15Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him.
16For all that is in the world, the lust of the flesh and the lust of the eyes and the vain glory of life, is not of the Father, but is of the world.
17And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever.
18Little children, it is the last hour: and as ye heard that antichrist cometh, even now have there arisen many antichrists; whereby we know that it is the last hour.
19They went out from us, but they were not of us; for if they had been of us, they would have continued with us: but they went out, that they might be made manifest that they all are not of us.
20And ye have an anointing from the Holy One, and ye know all the things.
21I have not written unto you because ye know not the truth, but because ye know it, and because no lie is of the truth.
22Who is the liar but he that denieth that Jesus is the Christ? This is the antichrist, even he that denieth the Father and the Son.
23Whosoever denieth the Son, the same hath not the Father: he that confesseth the Son hath the Father also.
24As for you, let that abide in you which ye heard from the beginning. If that which ye heard from the beginning abide in you, ye also shall abide in the Son, and in the Father.
25And this is the promise which he promised us, even the life eternal.
26These things have I written unto you concerning them that would lead you astray.
27And as for you, the anointing which ye received of him abideth in you, and ye need not that any one teach you; but as his anointing teacheth you; concerning all things, and is true, and is no lie, and even as it taught you, ye abide in him.
28And now, my little children, abide in him; that, if he shall be manifested, we may have boldness, and not be ashamed before him at his coming.
29If ye know that he is righteous, ye know that every one also that doeth righteousness is begotten of him.