Complaints against God vs. His beautiful blessings . . .

Exodus 15:22-27 . . .
complaint = water
blessing = wood that made water drinkable

Exodus 16:1-36 . . .
complaint = starvation
blessings = quail at night, manna in the morning

Exodus 17:1-7 . . .
complaint = water
blessing = water from a rock (Moses strikes the rock with his staff)