By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained a testimony that he was righteous, God testifying of his gifts; and by it, being dead he yet speaketh.

Not as Cain, who was of the wicked one, and slew his brother.

Wo to them; for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perished in the gainsaying of Korah.