1 John 1:8-10 whenever we say we have no sin we seduce ourselves and the truth is not in us:

ECB⁽ⁱ⁾ ⁸ whenever we say we have no sin we seduce ourselves and the truth is not in us: ⁹ whenever we profess our sins, he is trustworthy and just to forgive our sins and to purify us from all injustice: ¹⁰ whenever we say that we have not sinned we make him a liar and his word is not in us.