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

not as Cain was of the Evil One, and slew his brother. And wherefore did he slay him? Because his own works were evil, and his brothers righteous.

Woe to them! for they have gone in the way of Cain, and rushed on in the error of Balaam for reward, and perished in the gainsaying of Korah.