1 Corinthians 10:19-20

So, what am I saying? That an animal sacrificed to idols is [really] anything, or that an idol [itself] is anything?

Revelation 2:14

"But I have a few things against you because you have people there [in the church] who hold to the teaching of Balaam, who taught Balak to place a stumblingblock in front of the Israelites, [causing them] to eat food sacrificed to idols and to be sexually immoral [See Num. 23-24].

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 you because you have people there [in the church] who hold to the teaching of Balaam, who taught Balak to place a stumblingblock in front of the Israelites, [causing them] to eat food sacrificed to idols and to be sexually immoral [See Num. 23-24].

Of the dead

1 Corinthians 10:19
So, what am I saying? That an animal sacrificed to idols is [really] anything, or that an idol [itself] is anything?