John 6:57-63

57As the living Father has sent me and I live on account of the Father, he also who eats me shall live also on account of me.

58This is the bread which has come down out of heaven. Not as the fathers ate and died: he that eats this bread shall live for ever.

59These things he said in [the] synagogue, teaching in Capernaum.

60Many therefore of his disciples having heard [it] said, This word is hard; who can hear it?

61But Jesus, knowing in himself that his disciples murmur concerning this, said to them, Does this offend you?

62If then ye see the Son of man ascending up where he was before?

63It is the Spirit which quickens, the flesh profits nothing: the words which I have spoken unto you are spirit and are life.