Jude 1:11

Alas for them! They walk in the steps of Cain; led astray by Balaam's love of gain, they plunge into sin, and meet their ruin through rebellion like that of Korah.

2 Peter 2:15

Leaving the straight road, they have gone astray and followed in the steps of Balaam, the son of Beor, who set his heart on the reward for wrong-doing,

1 John 3:12

We must not be like Cain, who belonged to the Evil One and killed his brother. And why did he kill him? It was because his life was bad while his brother's was good.

Revelation 2:14

Yet I have a few things against you--You have among you those who hold to the Teaching of Balaam, who taught Balak to put temptations in the way of the Israelites, so that they should eat idol-offerings and commit licentious acts.

Matthew 11:21

"Alas for you, Chorazin! Alas for you, Bethsaida! For, if the miracles which were done in you had been done in Tyre and Sidon, they would have repented long ago in sackcloth and ashes.

Matthew 23:13-16

But alas for you, Teachers of the Law and Pharisees, hypocrites that you are! You turn the key of the Kingdom of Heaven in men's faces. For you do not go in yourselves, nor yet allow those who try to go in to do so.

Luke 11:42-47

But alas for you Pharisees! You pay tithes on mint, rue, and herbs of all kinds, and pass over justice and love to God. These last you ought to have put into practice without neglecting the first.

Hebrews 11:4

Faith made the sacrifice which Abel offered to God a better sacrifice than Cain's, and won him renown as a righteous man, God himself establishing his renown by accepting his gifts; and it is by the example of his faith that Abel, though dead, still speaks.

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 must not be like Cain, who belonged to the Evil One and killed his brother. And why did he kill him? It was because his life was bad while his brother's was good.

Ran

2 Peter 2:15
Leaving the straight road, they have gone astray and followed in the steps of Balaam, the son of Beor, who set his heart on the reward for wrong-doing,
Revelation 2:14
Yet I have a few things against you--You have among you those who hold to the Teaching of Balaam, who taught Balak to put temptations in the way of the Israelites, so that they should eat idol-offerings and commit licentious acts.