First children born to Adam and Eve-Cain is angry at Abel. Twin brothers Cain and Abel give sacrifices to God. Cain is angry because Abel's sacrifice is being accepted by God.
4 and Abel also brought of the firstborn of his flock and of their fat portions. And the LORD had regard for Abel and his offering,5 but for Cain and his offering he had no regard. So Cain was very angry, and his face fell.6 The LORD said to Cain, “Why are you angry, and why has your face fallen?
