1 Corinthians 10:20

no, but that what the Gentiles sacrifice, they sacrifice to demons, and not to God: and I would not have you partake of the sacrifices of demons.

Revelation 9:20

As for the rest of the men who were not killed by these plagues, they did not repent of their evil actions, so as to forbear worshipping demons, and idols of gold and silver, and brass, and stone, and of wood: which can neither see, nor hear, nor walk:

2 Corinthians 4:4

to those unbelievers, whose minds the God of this world has so blinded, that the glorious lustre of the gospel of Christ, who is the image of God, does not enlighten them.

Treasury of Scripture Knowledge

Summary

But I say, that the things which the Gentiles sacrifice, they sacrifice to devils, and not to God: and I would not that ye should have fellowship with devils.

Bible References

Sacrifice

2 Corinthians 4:4
to those unbelievers, whose minds the God of this world has so blinded, that the glorious lustre of the gospel of Christ, who is the image of God, does not enlighten them.
Revelation 9:20
As for the rest of the men who were not killed by these plagues, they did not repent of their evil actions, so as to forbear worshipping demons, and idols of gold and silver, and brass, and stone, and of wood: which can neither see, nor hear, nor walk: