11 Beloved, if God so loved us, we also ought to love one another. 12 No one has ever seen God; if we love one another, God remains in us, and His love is perfected in us.
20 If someone says, "I love God," and yet he hates his brother or sister, he is a liar; for the one who does not love his brother and sister whom he has seen, cannot love God, whom he has not seen. 21 And this commandment we have from Him, that the one who loves God must also love his brother and sister.