1Corinthians:11:26-28
rsv@1Corinthians:11:26 @ For as often as you eat this bread and drink the cup, you proclaim the Lord's death until he comes.
rsv@1Corinthians:11:27 @ 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.
rsv@1Corinthians:11:28 @ Let a man examine himself, and so eat of the bread and drink of the cup.