John 6:51-53

Young's Literal Translation

⁵¹ `I am the living bread that came down out of the heaven; if any one may eat of this bread he shall live -- to the age; and the bread also that I will give is my flesh, that I will give for the life of the world.'

⁵² The Jews, therefore, were striving with one another, saying, `How is this one able to give us [his] flesh to eat?'

⁵³ Jesus, therefore, said to them, `Verily, verily, I say to you, If ye may not eat the flesh of the Son of Man, and may not drink his blood, ye have no life in yourselves;