Bible Study 1 John 1
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1 John 1 · WEB

The Word of Life and Walking in the Light

Listen — WEB narration 0:00 / 0:00 Narration: World English Bible (David Williams), public domain — AudioTreasure.

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That which was from the beginning, that which we have heard, that which we have seen with our eyes, that which we saw, and our hands touched, concerning the Word of life
2(and the life was revealed, and we have seen, and testify, and declare to you the life, the eternal life, which was with the Father, and was revealed to us);
3that which we have seen and heard we declare to you, that you also may have fellowship with us. Yes, and our fellowship is with the Father, and with his Son, Jesus Christ.
4And we write these things to you, that our joy may be fulfilled.
5This is the message which we have heard from him and announce to you, that God is light, and in him is no darkness at all.
6If we say that we have fellowship with him and walk in the darkness, we lie and don't tell the truth.
7But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin.
8If we say that we have no sin, we deceive ourselves, and the truth is not in us.
9If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness.
10If we say that we haven't sinned, we make him a liar, and his word is not in us.
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Summary

John opens his letter with an eyewitness declaration: the eternal Word of life became flesh, was seen, heard, and touched, and is now proclaimed so that readers may share fellowship with the Father and the Son. The central message is that God is light, and walking in that light produces real fellowship and ongoing cleansing through Jesus' blood. Honest confession of sin meets God's faithful forgiveness, while denial of sin is self-deception.

Themes

  • The incarnate Word of life
  • Fellowship with God and other believers
  • God as light, with no darkness
  • Honest confession versus self-deception
  • Cleansing through the blood of Jesus

Key verses

  • 1 John 1:3 — “that which we have seen and heard we declare to you, that you also may have fellowship with us. Yes, and our fellowship is with the Father, and with his Son, Jesus Christ.”
  • 1 John 1:5 — “God is light, and in him is no darkness at all.”
  • 1 John 1:7 — “if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin.”
  • 1 John 1:9 — “If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness.”

Context & background

John wrote 1 John c. AD 85-95, likely from Ephesus (modern western Turkey, near Selçuk) to churches scattered across Asia Minor (modern Turkey). The letter combats early proto-Gnostic teachings that denied Jesus' true incarnation and claimed a "spiritual" elite were beyond sin. John's opening eyewitness language ("heard... seen... touched") directly counters those who said the Christ only seemed to have a body. Three tests run through the letter: doctrinal (belief in Christ), moral (obedience), and relational (love).

Cross-references

  • Hebrews 9:14 — The blood of Christ cleanses the conscience.
  • Isaiah 9:2 — The people walking in darkness have seen a great light.
  • John 1:1-4, 14 — The Word who was with God, became flesh, and is the life and light of men.
  • Proverbs 28:13 — One who confesses and forsakes sin finds mercy.
  • Psalm 32:5 — "I acknowledged my sin to you... and you forgave the iniquity of my sin."

Check your reading

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  1. Observe

    What sensory language does John use in verses 1-3 to describe his experience of the Word of life?

  2. Observe

    According to verse 9, what happens when we confess our sins?

  3. Interpret

    What does John mean when he says "God is light, and in him is no darkness at all" (v. 5)?

  4. Interpret

    Why does John insist that claiming to be sinless makes God a liar (v. 10)?

  5. Apply

    How does the promise of verse 7 — that the blood of Jesus cleanses us from all sin as we walk in the light — free a believer to stop hiding their failures?

  6. Apply

    John wrote so that believers' "joy may be fulfilled" (v. 4). How does honest confession of sin — rather than denial — actually produce joy?

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