Revelation 2:14

But I have a few things against you, because you have there some who hold to the teaching of Balaam, who taught Balak to put a stumbling-block before the sons of Israel, to eat food offered to idols, and to practise immorality.

Treasury of Scripture Knowledge

Summary

And when Balaam saw that it pleased the LORD to bless Israel, he went not, as at other times, to seek for enchantments, but he set his face toward the wilderness.

Bible References

Saw

Revelation 2:14
But I have a few things against you, because you have there some who hold to the teaching of Balaam, who taught Balak to put a stumbling-block before the sons of Israel, to eat food offered to idols, and to practise immorality.