Jesus said to them, “Truly, truly, I tell you, it was not Moses who gave you the bread from heaven, but it is My Father who gives you the true bread from heaven.
32. Verily, verily, I say to you, Moses gave you not bread from heaven. Christ appears to contradict what was quoted from the psalm, but he speaks only by comparison. The manna מן is called the bread of heaven, but it is for the nourishment of the body; but the bread which ought truly and properly to be reckoned heavenly, is that which gives spiritual nourishment to the soul.
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
For the bread of God is he which cometh down from heaven,.... In the way and manner just now mentioned: and which clearly points out Christ himself, who may be called "the bread of God"; to distinguish him from common bread, and to show the excellency of him, and that he is of God's providing and giving, and which he would have his children feed...