1 John 3:8-10

8 He that commits sin is of the devil; for the devil sins from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.

9 Whoever is born of God does not commit sin; for his seed remains in him: and he cannot sin, because he is born of God.

10 In this the children of God are manifest, and the children of the devil: whoever does not righteousness is not of God, neither he that loves not his brother.