1 Corinthians 8:4

Therefore concerning the eating of food sacrificed to idols, we know that an idol is nothing in the world, and that there is no God but one.

1 Corinthians 10:20

No, but I say that the things pagans sacrifice they offer to demons and not to God. I do not want you to be partners with demons.

Treasury of Scripture Knowledge

Summary

Wherefore the anger of the LORD was kindled against Amaziah, and he sent unto him a prophet, which said unto him, Why hast thou sought after the gods of the people, which could not deliver their own people out of thine hand?

Bible References

Which could

1 Corinthians 8:4
Therefore concerning the eating of food sacrificed to idols, we know that an idol is nothing in the world, and that there is no God but one.
1 Corinthians 10:20
No, but I say that the things pagans sacrifice they offer to demons and not to God. I do not want you to be partners with demons.