Moses
Exodus 16:8ESV·traditional attribution

And Moses said, “When the LORD gives you in the evening meat to eat and in the morning bread to the full, because the LORD has heard your grumbling that you grumble against him—what are we? Your grumbling is not against us but against the LORD.”

Matthew Henry Presbyterian @wholebiblehenry

The host of Israel, it seems, took along with them out of Egypt, when they came thence on the fifteenth day of the first month, a month's provisions, which, by the fifteenth day of the second month, was all spent; and here we have, I. Their discontent and murmuring upon that occasion, Exo 16:2, Exo 16:3.

Commenting on Exodus 16:1-12

John Gill Reformed Baptist @doctorgill

And Moses said, this shall be,.... Which supplement may be left out: when the Lord shall give you in the evening flesh to eat; cause the quails to come up, and fall about their tents: and in the morning bread to the full; by raining it from heaven all around them: for that, or rather "then" (k): the Lord heareth your murmurings which ye murmur...

Geneva Bible Notes Reformed @genevanotes

And Moses said, [This shall be], when the LORD shall give you in the evening flesh to eat, and in the morning bread to the full; for that the LORD heareth your murmurings which ye murmur against him: and what [are] we? your murmurings [are] not against us, but against the LORD. (e) He that condemns God's ministers, condemns God himself.