“For this is the message that you have heard from the beginning, that we should love one another.
Do not be surprised, brothers, that the world hates you.”
1 John 3:11, 13 ESV https://www.bible.com/bible/59/1jn.3.11,13.esv “Everyone who hates his brother is a murderer, and you know that no murderer has eternal life abiding in him. By this we know love, that he laid down his life for us, and we ought to lay down our lives for the brothers. But if anyone has the world's goods and sees his brother in need, yet closes his heart against him, how does God's love abide in him?”
1 John 3:15-17 ESV https://www.bible.com/bible/59/1jn.3.15-17.esv “There is no fear in love, but perfect love casts out fear. For fear has to do with punishment, and whoever fears has not been perfected in love. We love because he first loved us. If anyone 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. And this commandment we have from him: whoever loves God must also love his brother.”
1 John 4:18-21 ESV https://www.bible.com/bible/59/1jn.4.18-21.esv