The Jews then murmured at him, because he said, I am the bread which came down from heaven.
41. The Jews therefore murmured concerning him. The Evangelist explains the cause of the murmuring to have been, that the Jews were offended at the mean condition of Christ’s human nature, “De la petitesse de Christ, et de sa humaine condition;” — “at the meanness of Christ, and of his human condition.” and did not perceive in him any thing Divine or heavenly.
Christ let them question Him freely, no small condescension. The wise teacher listens swiftly and turns even foolish questions toward what profits. These Galileans asking "What shall we do?" show a teachable mind, unlike the Judean critics who came only to cavil. He answers the sincere request, not the impertinent quibble.
AI summary
Commenting on John 6:28-59
And they said, is not this Jesus the son of Joseph?.... From murmuring they go to mocking and scoffing at his parentage and descent, and object this to his coming down from heaven; and intend by it to upbraid him with the meanness of his birth, being the son of Joseph, a poor carpenter; and suggest, that it was great arrogance in him to claim...