There must be factions among you
in order that those who are genuine among you
may be recognized.
When you meet together, it is not the Lord's supper that you eat. For in eating, each one goes ahead with his own meal, and one is hungry and another is drunk.
What! Do you not have houses to eat and drink in?
Or do you despise the church of God and humiliate those who have nothing? What shall I say to you? Shall I commend you in this? No, I will not.
For I received from the Lord what I also delivered to you, that the Lord Jesus on the night when he was betrayed took bread, and when he had given thanks, he broke it, and said, "This is my body which is for you. Do this in remembrance of me."
In the same way also the cup, after supper, 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 the cup, you proclaim the Lord's death until he comes. So then, my brethren, when you come together to eat, wait for one another
-- 1 Corinthians 11: 17 - 26, 33