Our Lord's discourse (John 6:31-33) throws a complete light upon this passage, considered with reference to the typical and sacramental design of it, and plainly shows thy it was the slight that the Israelites manifested by unbelief of God's method of salvation by Christ, in which the greatness of their sin consisted.
Related Commentaries of Psalms 78:23
Psalms 78:23-25
23 Though he had commanded the clouds from above, and opened the doors of heaven,
24 And had rained down manna upon them to eat, and had given them of the corn of heaven.
25 Manc did eat angels' food: he sent them meat to the full.