In the same way, after supper, He took the cup of wine, saying, "This cup is the new covenant ratified by my blood. Whenever you drink it, do so in memory of me."

You cannot drink the cup of the Lord and the cup of demons. You cannot eat at the table of the Lord and at the table of demons.

Is not the consecrated cup which we consecrate a sign of our sharing in the blood of Christ? Is not the loaf which we break a sign of our sharing in the body of Christ?

For every time you eat this bread and drink from this cup, you proclaim the Lord's death until He comes again.

So whoever eats the bread and drinks from the Lord's cup in an unworthy way is guilty of sinning against the Lord's body and blood.

A man, then, must examine himself, and only in this way should he eat any of the bread and drink from the cup.

So, my dear brothers, continue to be firm, incapable of being moved, always letting the cup run over in the work of the Lord, because you know that your labor in the service of the Lord is never thrown away.