Esau hated his brother Jacob because he had stolen the blessing that was supposed to be his. So he said to himself, "Just as soon as my father dies, I'll kill Jacob."
There are more people who hate me for no reason than there are hairs on my head. Many terrible enemies want to destroy me, God. Am I supposed to give back something I didn't steal?
We used to be stupid, disobedient, and foolish, as well as slaves of all sorts of desires and pleasures. We were evil and jealous. Everyone hated us, and we hated everyone.
Don't be like Cain, who belonged to the devil and murdered his own brother. Why did he murder him? He did it because his brother was good, and he was evil.
David's oldest brother Eliab heard him talking with the soldiers. Eliab was angry at him and said, "What are you doing here, anyway? Who's taking care of that little flock of sheep out in the desert? You spoiled brat! You came here just to watch the fighting, didn't you?"