He who is saying in him he doth remain, ought according as he walked also himself so to walk.

and every one who is having this hope on him, doth purify himself, even as he is pure.

He who is believing in the Son of God, hath the testimony in himself; he who is not believing God, a liar hath made Him, because he hath not believed in the testimony that God hath testified concerning His Son;

We have known that every one who hath been begotten of God doth not sin, but he who was begotten of God doth keep himself, and the evil one doth not touch him;