1 John 3:1-3

See ye what love the Father hath given to us, that children of God we may be called; because of this the world doth not know us, because it did not know Him; beloved, now, children of God are we, and it was not yet manifested what we shall be, and we have known that if he may be manifested, like him we shall be, because we shall see him as he is; and every one who is having this hope on him, doth purify himself, even as he is pure.