Therefore Jesus answered them, “Don’t murmur among yourselves. No one can come to me unless the Father who sent me draws him, and I will raise him up in the last day. It is written in the prophets, ‘They will all be taught by God.’ Therefore everyone who hears from the Father, and has learned, comes to me. Not that anyone has seen the Father, except he who is from God. He has seen the Father. Most certainly, I tell you, he who believes in me has eternal life. I am the bread of life. Your fathers ate the manna in the wilderness, and they died. This is the bread which comes down out of heaven, that anyone may eat of it and not die. I am the living bread which came down out of heaven. If anyone eats of this bread, he will live forever. Yes, the bread which I will give for the life of the world is my flesh.”
The Jews therefore contended with one another, saying, “How can this man give us his flesh to eat?”
Jesus therefore said to them, “Most certainly I tell you, unless you eat the flesh of the Son of Man and drink his blood, you don’t have life in yourselves. He who eats my flesh and drinks my blood has eternal life, and I will raise him up at the last day. For my flesh is food indeed, and my blood is drink indeed. He who eats my flesh and drinks my blood lives in me, and I in him. As the living Father sent me, and I live because of the Father; so he who feeds on me, he will also live because of me. This is the bread which came down out of heaven—not as our fathers ate the manna, and died. He who eats this bread will live forever.” He said these things in the synagogue, as he taught in Capernaum.
Therefore many of his disciples, when they heard this, said, “This is a hard saying! Who can listen to it?”
But Jesus knowing in himself that his disciples murmured at this, said to them, “Does this cause you to stumble? Then what if you would see the Son of Man ascending to where he was before? It is the spirit who gives life. The flesh profits nothing. The words that I speak to you are spirit, and are life. But there are some of you who don’t believe.” For Jesus knew from the beginning who they were who didn’t believe, and who it was who would betray him. He said, “For this cause have I said to you that no one can come to me, unless it is given to him by my Father.”
At this, many of his disciples went back, and walked no more with him. Jesus said therefore to the twelve, “You don’t also want to go away, do you?”
Simon Peter answered him, “Lord, to whom would we go? You have the words of eternal life. We have come to believe and know that you are the Christ, the Son of the living God.”
Jesus answered them, “Didn’t I choose you, the twelve, and one of you is a devil?” Now he spoke of Judas, the son of Simon Iscariot, for it was he who would betray him, being one of the twelve.