20 If any one says, "I love God," and hates his brother, he is a liar. For he who does not love his brother whom he has seen cannot love God whom he has not seen.
1 John 4:20 Cross References - Riverside
1 Peter 1:8
8 whom you love though you have not seen him; in whom you have faith though now you do not see him, and you rejoice with unspeakable and glorious joy
1 John 1:6
6 If we say, "We have fellowship with him," and live in darkness, we lie and are not acting the truth.
1 John 2:4
4 He who says, "I know him," and does not keep his commands, is a liar and truth is not in him.
1 John 2:9
9 He who says that he is in the light and hates his brother is in darkness still.
1 John 2:11
11 He who hates his brother is in darkness and walks in darkness and knows not where he is going, because the darkness has blinded his eyes.
1 John 3:17
17 But if any one has this world's goods and sees his brother in need and shuts away his sympathies from him, how can the love of God remain in him?
1 John 4:12
12 No one has ever seen God. If we love one another God abides in us and his love is made perfect in us.