Exodus 16:2-6

But the whole congregation of the sons of Israel grumbled against Moses and Aaron in the wilderness.

The sons of Israel said to them, “If only we had died by the Lord’s hand in the land of Egypt, when we sat by the pots of meat, when we ate bread until we were full; for you have brought us out into this wilderness to kill this entire assembly with hunger!”

Then the Lord said to Moses, “Behold, I will rain bread from heaven for you; and the people shall go out and gather a day’s portion every day, so that I may test them, whether or not they will walk in My instruction.

On the sixth day, when they prepare what they bring in, it will be twice as much as they gather daily.”

So Moses and Aaron said to all the sons of Israel, “At evening you will know that the Lord has brought you out of the land of Egypt;