1 Corinthians 10:3-4
10:3 and all ate the same spiritual food,
10:4 and all drank the same spiritual drink. For they were all drinking from the spiritual rock that followed them, and the rock was Christ.
1 Corinthians 10:21
10:21 You cannot drink the cup of the Lord and the cup of demons. You cannot take part in the table of the Lord and the table of demons.