4:7 Dear friends, let us love one another, because love is from God, and everyone who loves has been fathered by God and knows God.
4:20 If anyone says “I love God” and yet hates his fellow Christian, he is a liar, because the one who does not love his fellow Christian whom he has seen cannot love God whom he has not seen. 4:21 And the commandment we have from him is this: that the one who loves God should love his fellow Christian too.