John 6:28-33

²⁸Then they said to him, How may we do the works of God?

²⁹Jesus, answering, said to them, This is to do the work of God: to have faith in him whom God has sent.

³⁰So they said, What sign do you give us, so that we may see and have faith in you? What do you do?

³¹Our fathers had the manna in the waste land, as the Writings say, He gave them bread from heaven.

³²Jesus then said to them, Truly I say to you, What Moses gave you was not the bread from heaven; it is my Father who gives you the true bread from heaven.

³³The bread of God is the bread which comes down out of heaven and gives life to the world.