And this is the will of him that sent me, that every one which sees the Son, and believes on him, may have everlasting life: and I will raise him up at the last day.
The Jews then murmured at him, because he said, I am the bread which came down from heaven.
And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? how is it then that he said, I came down from heaven?
Jesus answered and said unto them, Murmur not among yourselves.
No man can come to me, except the Father which has sent me draw him: and I will raise him up at the last day.
It is written in the prophets, And they shall be all taught of God. Every man therefore that has heard, and has learned of the Father, comes to me.
Not that any man hath seen the Father, save he that is from God, he hath seen the Father.
Truly, truly, I say to you, He that believes on me has everlasting 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 from heaven, that a man may eat thereof, and not die.
I am the living bread which came down from heaven: if any man eat of this bread, he shall live for ever: and the bread that I will give is my flesh, which I will give for the life of the world.
The Jews therefore strove among themselves, saying, How can this man give us his flesh to eat?
Whoever eats my flesh, and drinks my blood, has eternal life; and I will raise him up at the last day.
For my flesh is meat indeed, and my blood is drink indeed.
He that eats my flesh, and drinks my blood, dwells in me, and I in him.
As the living Father sent me, and I live because of the Father; so he that eateth me, he also shall live because of me.
This is the bread which came down out of heaven: not as the fathers ate, and died; he that eateth this bread shall live for ever.
These things said he in the synagogue, as he taught in Capernaum.
Many therefore of his disciples, when they had heard this, said, This is an hard saying; who can hear it?
But Jesus knowing in himself that his disciples murmured at this, said unto them, Doth this cause you to stumble?
What then if ye should behold the Son of man ascending where he was before?
It is the spirit that vivifies; the flesh profits nothing: the words that I speak to you, they are spirit, and they are life.
And he said, Therefore said I to you, that no man can come to me, except it were given to him of my Father.
From that time many of his disciples went back, and walked no more with him.
Then said Jesus to the twelve, Will you also go away?
Simon Peter answered him, Lord, to whom shall we go? thou hast the words of eternal life.
And we believe and are sure that you are that Christ, the Son of the living God.
(emphasis provided)