1 Corinthians 10:19-21

YLT(i) 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;