1 Corinthians 8:4

Concerning eating things offered to idols, we know that an idol is nothing in the world, and that there is no other God but one.

1 Corinthians 10:20

But what the gentiles sacrifice, they sacrifice to demons, and not to God; and I do not wish you to be partakers 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
Concerning eating things offered to idols, we know that an idol is nothing in the world, and that there is no other God but one.
1 Corinthians 10:20
But what the gentiles sacrifice, they sacrifice to demons, and not to God; and I do not wish you to be partakers with demons.