1 Corinthians 8:4

So, as to eating things that have been sacrificed to idols, we are sure that an idol is nothing in the world, and that there is no God but One.

1 Corinthians 10:20

I mean that what the heathen sacrifice they sacrifice to demons, not to God, and I do not want you to be in fellowship 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
So, as to eating things that have been sacrificed to idols, we are sure that an idol is nothing in the world, and that there is no God but One.
1 Corinthians 10:20
I mean that what the heathen sacrifice they sacrifice to demons, not to God, and I do not want you to be in fellowship with demons.