1 Corinthians 10:21

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.

1 Corinthians 11:21-22

for in eating, each one goes ahead with his own meal, and one is hungry and another is drunk.

1 Corinthians 11:27-32

Whoever, therefore, eats the bread or drinks the cup of the Lord in an unworthy manner will be guilty of profaning the body and blood of the Lord.

Treasury of Scripture Knowledge

Summary

Ye offer polluted bread upon mine altar; and ye say, Wherein have we polluted thee? In that ye say, The table of the LORD is contemptible.

Bible References

The table

1 Corinthians 10:21
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.
1 Corinthians 11:21
for in eating, each one goes ahead with his own meal, and one is hungry and another is drunk.