1 Corinthians 11:25 in the King James Version
After the same manner also he took the cup, when he had supped, saying, This cup is the new testament in my blood: this do ye, as oft as ye drink it, in remembrance of me.
Context
24 When he had given thanks, he broke it and said, “Take, eat. This is my body, which is broken for you. Do this in memory of me.”
25 In the same way he also took the cup after supper, saying, “This cup is the new covenant in my blood. Do this, as often as you drink, in memory of me.”
26 For as often as you eat this bread and drink this cup, you proclaim the Lord’s death until he comes.