Therefore the Jews were grumbling about Him, because He said, “I am the bread that came down out of heaven.” They were saying, “Is not this Jesus, the son of Joseph, whose father and mother we know? How does He now say, ‘I have come down out of heaven’?” Jesus answered and said to them, “Do not grumble 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.