1 Corinthians 10:21

21 You cannot drink the cup of the Lord and the cup of demons too; you cannot have a part in both the Lord’s table and the table of demons.

Read 1 Corinthians 10:21 Using Other Translations

Ye cannot drink the cup of the Lord, and the cup of devils: ye cannot be partakers of the Lord's table, and of the table of devils.
You cannot drink the cup of the Lord and the cup of demons. You cannot partake of the table of the Lord and the table of demons.
You cannot drink from the cup of the Lord and from the cup of demons, too. You cannot eat at the Lord’s Table and at the table of demons, too.