Jude 1:11

Woe to them! they go the road of Cain, rush into Balaam's error for what it brings them, and perish in Korah's rebellion.

2 Peter 2:15

they have gone wrong by leaving the straight road, by following the road of Balaam son of Bosor, who liked the profits of evil-doing ??16 but he got reproved for his malpractice: a dumb ass spoke with human voice and checked the prophet's infatuation.

1 John 3:12

we are not to be like Cain, who belonged to the evil One and slew his brother. And why did he slay him? Because his own deeds were evil and his brother's just.

Revelation 2:14

But I have one or two things against you: you have some adherents there of the tenets of Balaam, who taught Balak how to set a pitfall before the sons of Israel by making them eat food which had been sacrificed to idols and give way to sexual vice.

Matthew 11:21

"Woe to you, Khorazin! Woe to you, Bethsaida! Had the miracles performed in you been performed in Tyre and Sidon, they would have repented long ago in sackcloth and ashes.

Matthew 23:13-16

Woe to you, you impious scribes and Pharisees! you shut the Realm of heaven in men's faces; you neither enter yourselves, nor will you let those enter who are on the point of entering.

Luke 11:42-47

But woe to you Pharisees! you tithe mint and rue and every vegetable, but justice and the love of God you disregard; these latter you ought to have practised ??without omitting the former.

Hebrews 11:4

It was by faith that Abel offered God a richer sacrifice than Cain did, and thus won from God the record of being 'just,' on the score of what he gave; he died, but by his faith he is speaking to us still.

Treasury of Scripture Knowledge

Summary

Woe unto 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 Core.

Bible References

For

1 John 3:12
we are not to be like Cain, who belonged to the evil One and slew his brother. And why did he slay him? Because his own deeds were evil and his brother's just.

Ran

2 Peter 2:15
they have gone wrong by leaving the straight road, by following the road of Balaam son of Bosor, who liked the profits of evil-doing ??16 but he got reproved for his malpractice: a dumb ass spoke with human voice and checked the prophet's infatuation.
Revelation 2:14
But I have one or two things against you: you have some adherents there of the tenets of Balaam, who taught Balak how to set a pitfall before the sons of Israel by making them eat food which had been sacrificed to idols and give way to sexual vice.