Because of this many of his disciples turned back and no longer went about with him. So Jesus asked the twelve, 'Do you also wish to go away?' (vs 66-67)
'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.' (v. 51)
Jesus answered them, ‘Do not complain among yourselves. No one can come to me unless drawn by the Father who sent me; and I will raise that person up on the last day.' (vs 43-44)