1 Corinthians 10:21
Ye cannot drink the cup of Lord, and the cup of demons. Ye cannot be partakers of a table of Lord, and of a table of demons.
Deuteronomy 32:37-38
And he will say, Where are their gods, the rock in which they took refuge,
1 Kings 18:21
And Elijah came near to all the people, and said, How long do ye go limping between the two sides? If LORD be God, follow him, but if Baal, then follow him. And the people answered him not a word.
Isaiah 65:11
But ye who forsake LORD, who forget my holy mountain, who prepare a table for Fortune, and who fill up mingled wine to Destiny,
Matthew 6:24
No man can serve two masters, for either he will hate the one, and love the other, or he will hold to one, and disparage the other. Ye cannot serve God and mammon.
1 Corinthians 8:10
For if some man sees thee, who have knowledge, dining in an idol-temple, will not his conscience, being weak, be strengthened to eat things sacrificed to idols?
1 Corinthians 10:16
The cup of the blessing that we bless, is it not a participation of the blood of the Christ? The bread that we break, is it not a participation of the body of the Christ?
2 Corinthians 6:15-17
And what agreement has Christ with Belial? Or what share have believers with non-believers?