1 Corinthians 11:26-30
For as often as you eat this bread and drink the cup, you proclaim the Lord's death z until he comes.
a Whoever, therefore, eats the bread or drinks the cup of the Lord b in an unworthy manner will be guilty concerning c the body and blood of the Lord.
d Let a person examine himself, then, and so eat of the bread and drink of the cup.
For anyone who eats and drinks without discerning the body eats and drinks judgment on himself.
That is why many of you are weak and ill, and some e have died.
English Standard Version (ESV) The Holy Bible, English Standard Version Copyright © 2001 by Crossway Bibles, a division of Good News Publishers.
Jesus said to him, "If it is my will that he remain until I come, what is that to you? You follow me!
Speak to the people of Israel, saying, If any one of you or of your descendants is unclean through touching a dead body, or is on a long journey, he shall still keep the Passover to the Lord.
But if anyone who is clean and is not on a journey fails to keep the Passover, that person shall be cut off from his people because he did not bring the Lord 's offering at its appointed time; that man shall bear his sin.
Then after he had taken the morsel, Satan entered into him. Jesus said to him, "What you are going to do, do quickly.
I am the living bread that came down from heaven. If anyone eats of this bread, he will live forever. And the bread that I will give for the life of the world is my flesh.
John 6:53 - 56
So Jesus said to them, "Truly, truly, I say to you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you.
2 Corinthians 13:5
Examine yourselves, to see whether you are in the faith. Test yourselves. Or do you not realize this about yourselves, that Jesus Christ is in you? - unless indeed you fail to meet the test!
But let each one test his own work, and then his reason to boast will be in himself alone and not in his neighbor.
The tombs also were opened. And many bodies of the saints who had fallen asleep were raised.