Therefore whoever eats this bread or drinks this cup of the Lord in an unworthy manner will be guilty of the body and blood of the Lord.
1 Corinthians 11:27
Surrounding context
11:26 For as often as you eat this bread and drink this cup, you proclaim the Lord's death till He comes.
11:27 Therefore whoever eats this bread or drinks this cup of the Lord in an unworthy manner will be guilty of the body and blood of the Lord.
11:28 But let a man examine himself, and so let him eat of the bread and drink of the cup.