John Calvin Commentary Numbers 11:6

"but now our soul is dried away; there is nothing at all save this manna to look upon." — Numbers 11:6 (ASV)

But now our soul is dried away. They complain that they are almost worn out by famine and hunger, while they are abundantly supplied with manna. In the same way, they had just been loudly declaring that they had lived in Egypt very cheaply, as if they were affected by a great scarcity of provisions. This was at a time when, by the pure generosity of God, a kind of food was provided for them that was easier to prepare than any other, and so was actually prepared without trouble or cost.

But such is the wickedness and ingratitude of people, that they count all God’s bounty as nothing while they are brooding over their own demanding lusts.

Many in their gluttony consume and bring to nothing whatever God bestows upon them; others, in their avarice, dry up the fountain of His generosity, which otherwise would be inexhaustible.

But these people, in the midst of their abundance, say that they are dry, because insatiable greed inflames them, so that God’s blessing, however ample, cannot satisfy them. Thus the rain, washing the hard rock, does not wet it inside, nor does it temper its dryness with its moisture.

Since, therefore, contempt for God’s blessings withers them all like a hot blast, let us learn to give them their due honor, so that they may be supplied to us sufficiently. Thus will be fulfilled for us:

“The righteous shall flourish like the palm-tree: he shall grow like a cedar in Lebanon. Those that be planted in the house of the Lord shall flourish in the courts of our God. They shall still bring forth fruit in old age; they shall be fat and flourishing.”
(Psalms 92:12–14).

For Scripture does not so often declare in vain that God satisfies the longing souls, and fills the hungry with food. They complain that there is nothing before their eyes but manna, as if their loathing of this one excellent and abundant kind of food was actual famine.