1 Corinthians 10:19-20

What say I then? that the idol is any thing, or that what is sacrificed to an idol is in itself any thing to stumble at?

Revelation 2:14

But I have a few things against thee; for thou hast there those that hold the doctrine of Balaam, who taught Balak to cast a stumbling-block before the children of Israel, to eat things sacrificed to idols, and to commit fornication.

Treasury of Scripture Knowledge

Summary

They joined themselves also unto Baalpeor, and ate the sacrifices of the dead.

Of the dead

Bible References

Joined

Revelation 2:14
But I have a few things against thee; for thou hast there those that hold the doctrine of Balaam, who taught Balak to cast a stumbling-block before the children of Israel, to eat things sacrificed to idols, and to commit fornication.

Of the dead

1 Corinthians 10:19
What say I then? that the idol is any thing, or that what is sacrificed to an idol is in itself any thing to stumble at?