Treasury of Scripture Knowledge
1 John 3:12
We must not be like Cain who was a child of the evil one, and butchered his brother. And why did he butcher him? Because his own actions were wicked and his brother's upright.
2 Peter 2:15
They have left the straight path and gone astray. They have followed the path of Balaam, the son of Beor, who set his heart on dishonest gain,
Yet I hold it somewhat against you that you have among you some adherents of the teaching of Balaam, who taught Balak to entrap the children of Israel into eating meat that had been sacrificed to idols, and into immoral practices.