1 John 1:10

10 If we say that we have not sinned, we make him a liar, and his word is not in us.

1 John 1:10 In-Context

8 If we say that we have no sin, we deceive ourselves, and the truth is not in us.
9 If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
10 If we say that we have not sinned, we make him a liar, and his word is not in us.
The King James Version is in the public domain.