1 Corinthians 10:20

Nay, but I say that the things which the gentiles sacrifice, they sacrifice to demons, and not to God; and I do not wish you to become partakers with the demons.

Revelation 9:20

And the rest of the men, who were not killed with these plagues, repented not of the works of their hands, that they should not worship the demons, and the idols of gold, and of silver, and of brass, and of stone, and of wood; which can neither see, nor hear, nor walk;

2 Corinthians 4:4

in whom the god of this world blinded the minds of the unbelieving, that the light of the Gospel of the glory of Christ, Who is the image of God, should not shine upon 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
in whom the god of this world blinded the minds of the unbelieving, that the light of the Gospel of the glory of Christ, Who is the image of God, should not shine upon them.
Revelation 9:20
And the rest of the men, who were not killed with these plagues, repented not of the works of their hands, that they should not worship the demons, and the idols of gold, and of silver, and of brass, and of stone, and of wood; which can neither see, nor hear, nor walk;