Hebrews 11:4

“By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous,...”

1 John 3:12

“Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evi...”

Jude 1:11

“Woe unto them! for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perishe...”