1 John 1:1 emphasizes that the apostles witnessed Jesus’ life and ministry directly, and they now share this revelation so believers may have fellowship with God through Christ.

1 John 2:27 tells believers that the anointing they received remains in them and teaches them the truth, which John sets against the false teachers who were pulling the church away from Christ.

1 John 4:1 warns believers not to accept every spiritual claim, and it names the confession that Jesus Christ came in the flesh as the test that separates truth from error.

1 John 1:8 names the lie at the center of pretending, that if we say we have no sin we deceive ourselves and the truth is not in us.

1 John 5:20 emphasizes that Jesus Christ is the true God and eternal life, and through faith in Him, believers are united with the true God. This truth provides a foundation for knowing God and resisting false teachings.

1 John 4:9 teaches that God's love was revealed by sending Jesus to give humanity life. This verse is central to understanding divine love and its impact on human response.

John wrote to believers who had watched teachers walk out and deny that Jesus came in the flesh; the Spirit within them was greater than the voice they had lost to.

John rules out a divided heart: love for the Father and love for the world cannot both hold the same person, so allegiance has to be settled.

1 John 5:14 teaches that if we pray according to the will of God, He will hear us. It grounds prayer in God’s character rather than our strength or request.

1 John 3:16 shows that Christian love is not an idea or feeling detached from action: believers know love because Jesus Christ laid down his life for them.

1 John 4:19 teaches that genuine Christian love begins not in human willpower but in God's prior, saving love revealed through Jesus Christ.

First John 5 teaches that faith in Jesus as the Christ overcomes the world and assures us of eternal life. It emphasizes God's testimony about His Son, the confidence we have in prayer, and the call to keep ourselves from idols.

1 John 2 assures believers that Jesus is their advocate and atoning sacrifice, and it gives tests of genuine faith: keeping his commandments, loving one's brother, and not loving the world. It also warns about antichrists and urges believers to abide in the truth they heard from the beginning.

“God is love” means self-giving holy love belongs to God’s character and is decisively revealed in sending his Son; it does not mean every human desire called love receives divine approval.

First John 1:9 assures believers that God faithfully forgives and cleanses those who confess their sins because Jesus Christ is the righteous advocate and atoning sacrifice.

A faithful, original Bible study of 1 John that traces the book’s message to Jesus Christ.

The Bible joins truthful faith with practical love. A study of Christian love, practical care, assurance, and obedience from 1 John 3.

A Scripture-first Sermon Academy guide to 1 John Bible study guide with biblical context, study questions, teaching help, and related resources.