The Bible Says Commentary on 1 John 1

1 John 1:1 begins John’s first church letter with a statement of his personal witness of Jesus on Earth. 

1 John 1:2-4 proclaims that the eternal life, which was with the Father, has been revealed in a tangible and personal way, witnessed directly by those who encountered Him. They explain that this testimony is shared so that others may enter into true fellowship with both the Father and His Son. The ultimate purpose of this proclamation is the fullness of shared joy that flows from that fellowship.

1 John 1:5 announces the core message that Jesus revealed: God’s very nature is Light. God is utterly pure, good, and true. There is not even the smallest trace of darkness—falsehood, evil, or corruption—in Him. This truth becomes the foundation for understanding what genuine fellowship with God requires.

1 John 1:6-7 teaches that we cannot claim fellowship with God while walking in darkness, because such a life contradicts the truth about who God is. But when we walk in the Light—living openly, honestly, and in alignment with God’s goodness and truth—we experience genuine fellowship with Him and with other believers. In this place of Light, the blood of Jesus continually cleanses us from every sin including the unintentional sins.

1 John 1:8-10 warns that denying our sinfulness deceives us and shows that God’s truth is not shaping our lives. Instead of pretending we are sinless, God calls us to confess our sins and He will faithfully forgive and cleanse us from all unrighteousness. To deny that we have sinned is to contradict God Himself, revealing that His word is not dwelling within us.