'This Cup' in the Bible

In like manner also, the cup, after he had supped, saying: This cup is the new covenant in my blood: do this, as often as you drink it, in remembrance of me.

For as often as you eat this bread, and drink this cup, you do show the Lord's death till he come.

Wherefore he that eats this bread, or drinks this cup of the Lord, in an improper manner, shall be guilty of the body and the blood of the Lord.

But let a man examine himself, and so let him eat of this bread, and drink of this cup: