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

If we say that we have no sin, we make him false and his word is not in us.

Εαν ειπωμεν οτι δεν ημαρτησαμεν, ψευστην καμνομεν αυτον, και ο λογος αυτου δεν υπαρχει εν ημιν.

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