1 Corinthians 10:20
No: but this I say, that what the Gentiles sacrifice, they sacrifice to demons, and not to God.
1 Corinthians 10:27-28
and if any of the unbelievers invite you to an entertainment, and ye have a mind to go, whatever is set before you, eat, asking no questions for conscience-sake.
2 Corinthians 6:16-17
and what agreement hath the temple of God with idols? for ye are the temple of the living God: as God hath said, "I will dwell in them, and I will walk among them, and I will be their God, and they shall be my people."
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.