John 6:54-64

54 he who is eating my flesh, and is drinking my blood, hath life age-during, and I will raise him up in the last day;
55 for my flesh truly is food, and my blood truly is drink;
56 he who is eating my flesh, and is drinking my blood, doth remain in me, and I in him.
57 `According as the living Father sent me, and I live because of the Father, he also who is eating me, even that one shall live because of me;
58 this is the bread that came down out of the heaven; not as your fathers did eat the manna, and died; he who is eating this bread shall live -- to the age.'
59 These things he said in a synagogue, teaching in Capernaum;
60 many, therefore, of his disciples having heard, said, `This word is hard; who is able to hear it?'
61 And Jesus having known in himself that his disciples are murmuring about this, said to them, `Doth this stumble you?
62 if then ye may behold the Son of Man going up where he was before?
63 the spirit it is that is giving life; the flesh doth not profit anything; the sayings that I speak to you are spirit, and they are life;
64 but there are certain of you who do not believe;' for Jesus had known from the beginning who they are who are not believing, and who is he who will deliver him up,
Young's Literal Translation is in the public domain.