1 Corinthians 10:21
Ye cannot drink the cup of the Lord, and the cup of demons: ye cannot partake of the table of the Lord, and of the 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 unto all the people, and said, How long go ye limping between the two sides? if Jehovah be God, follow him; but if Baal, then follow him. And the people answered him not a word.
Isaiah 65:11
But ye that forsake Jehovah, that forget my holy mountain, that prepare a table for Fortune, and that fill up mingled wine unto Destiny;
Matthew 6:24
No man can serve two masters; for either he will hate the one, and love the other; or else he will hold to one, and despise the other. Ye cannot serve God and mammon.
1 Corinthians 8:10
For if a man see thee who hast knowledge sitting at meat in an idol's temple, will not his conscience, if he is weak, be emboldened to eat things sacrificed to idols?
1 Corinthians 10:16
The cup of blessing which we bless, is it not a communion of the blood of Christ? The bread which we break, is it not a communion of the body of Christ?
2 Corinthians 6:15-17
And what concord hath Christ with Belial? or what portion hath a believer with an unbeliever?