John 6:60

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;