Don't work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set His seal of approval on Him."
"What can we do to perform the works of God?" they asked.
Jesus replied, "This is the work of God: that you believe in the One He has sent."
"What sign then are You going to do so we may see and believe You?" they asked. "What are You going to perform?
Our fathers ate the manna in the wilderness, just as it is written: He gave them bread from heaven to eat."
Jesus said to them, "I assure you: Moses didn't give you the bread from heaven, but My Father gives you the real bread from heaven.
For the bread of God is the One who comes down from heaven and gives life to the world."
Then they said, "Sir, give us this bread always!"
"I am the bread of life," Jesus told them. "No one who comes to Me will ever be hungry, and no one who believes in Me will ever be thirsty again.
But as I told you, you've seen Me, and yet you do not believe.
Everyone the Father gives Me will come to Me, and the one who comes to Me I will never cast out.
For I have come down from heaven, not to do My will, but the will of Him who sent Me.
This is the will of Him who sent Me: that I should lose none of those He has given Me but should raise them up on the last day.
For this is the will of My Father: that everyone who sees the Son and believes in Him may have eternal life, and I will raise him up on the last day."
Therefore the Jews started complaining about Him, because He said, "I am the bread that came down from heaven."
They were saying, "Isn't this Jesus the son of Joseph, whose father and mother we know? How can He now say, 'I have come down from heaven'?"
Jesus answered them, "Stop complaining among yourselves.
No one can come to Me unless the Father who sent Me draws him, and I will raise him up on the last day.
It is written in the Prophets: And they will all be taught by God. Everyone who has listened to and learned from the Father comes to Me--
not that anyone has seen the Father except the One who is from God. He has seen the Father.
"I assure you: Anyone who believes has eternal life.
I am the bread of life.
Your fathers ate the manna in the wilderness, and they died.
This is the bread that comes down from heaven so that anyone may eat of it and not die.
I am the living bread that came down from heaven. If anyone eats of this bread he will live forever. The bread that I will give for the life of the world is My flesh."
At that, the Jews argued among themselves, "How can this man give us His flesh to eat?"
So Jesus said to them, "I assure you: Unless you eat the flesh of the Son of Man and drink His blood, you do not have life in yourselves.
Anyone 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 real food and My blood is real drink.
The one who eats My flesh and drinks My blood lives 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 fathers ate-- and they died. The one who eats this bread will live forever."
He said these things while teaching in the synagogue in Capernaum.