20 If a man say, I love God, and hates his brother, he is a liar: for he that loves not his brother whom he has seen, how can he love God whom he has not seen?
1 John 4:20 Cross References - AKJV
1 Peter 1:8
8 Whom having not seen, you love; in whom, though now you see him not, yet believing, you rejoice with joy unspeakable and full of glory:
1 John 1:6
6 If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
1 John 2:4
4 He that said, I know him, and keeps not his commandments, is a liar, and the truth is not in him.
1 John 2:9
9 He that said he is in the light, and hates his brother, is in darkness even until now.
1 John 2:11
11 But he that hates his brother is in darkness, and walks in darkness, and knows not where he goes, because that darkness has blinded his eyes.
1 John 3:17
17 But whoever has this world's good, and sees his brother have need, and shuts up his bowels of compassion from him, how dwells the love of God in him?
1 John 4:12
12 No man has seen God at any time. If we love one another, God dwells in us, and his love is perfected in us.