1 Corinthians 10:21

You cannot drink the cup of the Lord and also the cup of daemons; you cannot partake of the table of the Lord and also of the table of daemons.

1 Corinthians 11:21-22

As you eat, everyone takes his own supper; one goes hungry while another gets drunk.

1 Corinthians 11:27-32

Hence anyone who eats the loaf or drinks the cup of the Lord carelessly, will have to answer for a sin against the body and the 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 also the cup of daemons; you cannot partake of the table of the Lord and also of the table of daemons.
1 Corinthians 11:21
As you eat, everyone takes his own supper; one goes hungry while another gets drunk.