1 Corinthians 10:21

And I would not have you partakers with demons. Ye cannot drink of the cup of the Lord, and the cup of demons: ye cannot be partakers of the table of the Lord, and of the table of demons.

1 Corinthians 11:21-22

for in eating every one takes his own supper first; and one is hungry, and another is glutted.

1 Corinthians 11:27-32

So that whosoever eateth this bread, or drinketh of the cup of the Lord unworthily, shall 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
And I would not have you partakers with demons. Ye cannot drink of the cup of the Lord, and the cup of demons: ye cannot be partakers of the table of the Lord, and of the table of demons.
1 Corinthians 11:21
for in eating every one takes his own supper first; and one is hungry, and another is glutted.