3 See what great love^(A) the Father has lavished on us, that we should be called children of God!^(B) And that is what we are! The reason the world does not know us is that it did not know him.^(C)

¹⁹ We love because he first loved us.^{(A) 20} Whoever claims to love God yet hates a brother or sister^(B) is a liar.^(C) For whoever does not love their brother and sister, whom they have seen,^(D) cannot love God, whom they have not seen.^{(E) 21} And he has given us this command:^(F) Anyone who loves God must also love their brother and sister.^(G)