If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
1 John 1:9
King James Version (public domain)
Traditionally attributed to John · 1st century AD · One of the twelve apostles of Jesus; the "beloved disciple"
Context
7But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth 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 just to forgive us our sins, and to cleanse us from all unrighteousness.
10If we say that we have not sinned, we make him a liar, and his word is not in us.