John 6:48-51

48 I am the bread of life.
49 Your ancestors ate the manna in the wilderness, and they died.
50 This is the bread that comes down from heaven, so that one may eat of it and not die.
51 I am the living bread that came down from heaven. Whoever eats of this bread will live forever; and the bread that I will give for the life of the world is my flesh."

John 6:48-51 In-Context

46 Not that anyone has seen the Father except the one who is from God; he has seen the Father.
47 Very truly, I tell you, whoever believes has eternal life.
48 I am the bread of life.
49 Your ancestors ate the manna in the wilderness, and they died.
50 This is the bread that comes down from heaven, so that one may eat of it and not die.
51 I am the living bread that came down from heaven. Whoever eats of this bread will live forever; and the bread that I will give for the life of the world is my flesh."
52 The Jews then disputed among themselves, saying, "How can this man give us his flesh to eat?"
53 So Jesus said to them, "Very truly, I tell you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.