1st Corinthians 10:20

17 because one bread, one body, are we the many -- for we all of the one bread do partake.

18 See Israel according to the flesh! are not those eating the sacrifices in the fellowship of the altar?

19 what then do I say? that an idol is anything? or that a sacrifice offered to an idol is anything? --

20 [no,] but that the things that the nations sacrifice -- they sacrifice to demons and not to God; and I do not wish you to come into the fellowship of the demons.

21 Ye are not able the cup of the Lord to drink, and the cup of demons; ye are not able of the table of the Lord to partake, and of the table of demons;

22 do we arouse the Lord to jealousy? are we stronger than He?

23 All things to me are lawful, but all things are not profitable; all things to me are lawful, but all things do not build up;