Whoever remains in him doesn't sin. Whoever sins hasn't seen him, neither knows him.

 There is something here which we may well note. It is by the gift of God that a man becomes a child of God. By nature a man is the creature of God, but it is by grace that he becomes the child of God. There are two English words which are closely connected but whose meanings are widely different, paternity and fatherhood. Paternity describes a relationship in which a man is responsible for the physical existence of a child; fatherhood describes an intimate, loving, relationship. In the sense of paternity all men are children of God; but in the sense of fatherhood men are children of God only when he makes his gracious approach to them and they respond. 