Genesis 4:4-6

Genesis 4:4-6 NIV

And Abel also brought an offering—fat portions from some of the firstborn of his flock. The LORD looked with favor on Abel and his offering, but on Cain and his offering he did not look with favor. So Cain was very angry, and his face was downcast. Then the LORD said to Cain, “Why are you angry? Why is your face downcast?