1 John 4:19-21 NAS

19 1We love, because He first loved us.

References for 1 John 4:19

20 2If someone says, "I love God," and 3hates his brother, he is a 4liar; for 5the one who does not love his brother whom he has seen, 6cannot * love God whom he has not seen.

References for 1 John 4:20

21 And 7this commandment we have from Him, that the one who loves God 8should love his brother also.

References for 1 John 4:21