1 Corinthians 11:25

In the same way He took the cup also, after supper, saying, 'This cup is the new covenant in My blood; do this, as often as you drink it, in remembrance of Me.

Luke 22:20

And in the same way He took the cup after they had eaten, saying, 'This cup which is poured out for you is the new covenant in My blood.

Hebrews 10:9-18

then he added, “See, I have come to do your will.” He abolishes the first in order to establish the second. And it is by God’s will that we have been sanctified through the offering of the body of Jesus Christ once for all. And every priest stands day after day at his service, offering again and again the same sacrifices that can never take away sins. But when Christ had offered for all time a single sacrifice for sins, “he sat down at the right hand of God,” and since then has been waiting “until his enemies would be made a footstool for his feet.” For by a single offering he has perfected for all time those who are sanctified. And the Holy Spirit also testifies to us, for after saying, “This is the covenant that I will make with them after those days, says the Lord: I will put my laws in their hearts, and I will write them on their minds,” he also adds, “I will remember[c] their sins and their lawless deeds no more.” Where there is forgiveness of these, there is no longer any offering for sin.