1 Corinthians 11:20-21

11:20 Now when you come together at the same place, you are not really eating the Lord’s Supper. 11:21 For when it is time to eat, everyone proceeds with his own supper. One is hungry and another becomes drunk.

1 Corinthians 11:25

11:25 In the same way, he also took the cup after supper, saying, “This cup is the new covenant in my blood. Do this, every time you drink it, in remembrance of me.”