Jesus answered them, "Most assuredly I tell you, you seek me, not because you saw signs, but because you ate of the loaves, and were filled.
Now many therefore of his disciples, when they heard this, said, [Man,] These are tough sayings; who can hear it? And when Jesus knew in himself that his disciples murmured at it, he said unto them, Does this offend you? What and if you will see the Son of man ascending up where he was before? ( John 6:60-62 )