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

He that saith, I know Him, and keepeth not his commandments, is a liar, and the truth is not in him.

Who is a liar, if not he who denieth that Jesus is the Christ? This is the antichrist, that denieth the Father as well as the Son;

I love God, and hateth his brother, he is a liar: for how can he, that loveth not his brother, whom he hath seen, love God whom he hath not seen?

He, that believeth on the Son of God, hath the witness in himself: he, that believeth not God, hath in effect made Him a liar, because he believed not the testimony which God hath testified of his Son.