John 6:53-71

So Jesus said to them, “Truly I tell you, unless you eat the flesh of the Son of Man   and drink his blood,   you do not have life in yourselves. The one who eats my flesh and drinks my blood   has eternal life, and I will raise   him up on the last day, because my flesh is true food and my blood is true drink. The one who eats my flesh and drinks my blood remains in me, and I in him.   Just as the living   Father sent me and I live because of the Father, so the one who feeds on me will live   because of me. This is the bread that came down from heaven; it is not like the manna   your ancestors ate — and they died. The one who eats this bread will live forever.”   He said these things while teaching in the synagogue  in Capernaum.  Therefore, when many of his disciples heard this, they said, “This teaching is hard. Who can accept  it? ” Jesus, knowing in himself  that his disciples were grumbling about this, asked them, “Does this offend you? Then what if you were to observe the Son of Man   ascending   to where he was before? The Spirit   is the one who gives life. The flesh doesn’t help at all. The words that I have spoken to you are spirit and are life. But there are some among you who don’t believe.” (For Jesus knew from the beginning  those who did not  believe and the one who would betray  him.) He said, “This is why I told you that no one can come to me   unless it is granted to him by the Father.” From that moment  many of his disciples turned back and no longer accompanied him. So Jesus said to the Twelve,  “You don’t want to go away too, do you? ” Simon Peter  answered, “Lord, to whom will we go? You have the words of eternal life. We have come to believe and know that you are the Holy One of God.”  , Jesus replied to them, “Didn’t I choose you, the Twelve?   Yet one of you is a devil.”   He was referring to Judas,  Simon Iscariot’s son,  one of the Twelve, because he was going to betray  him.