So they asked Him, “What sign then will You perform, so that we may see it and believe You? What will You do?
30. What sign doest thou? This wickedness abundantly proves how truly it is said elsewhere, This wicked generation seeketh a sign, (Matthew 12:39.) They had been at first drawn to Christ by the admiration of his miracles or signs, and afterwards, through amazement at a new sign, they acknowledged Christ to be the Messiah, and, with that conviction, wished to make him a king; but...
Whether this conference was with the Capernaites, in whose synagogue Christ now was, or with those who came from the other side of the sea, is not certain nor material; however, it is an instance of Christ's condescension that he gave them leave to ask him questions, and did not resent the interruption as an affront, no, not from his common hearers, though not his immediate followers.
Commenting on John 6:28-59
Our fathers did eat manna in the wilderness,.... Which was a sort of food prepared by angels in the air, and rained down from thence about the tents of the Israelites; it was a small round thing, as small as the hoar frost on the ground; it was like a coriander seed, and the colour of it was the colour of bdellium: it was so...