Exodus 16:4-6

4Then the Lord said to Moses, “Behold, 1I will rain bread from heaven for you; and the people shall go out and gather a day’s portion every day, that I may 2test them, whether or not they will walk in My 3instruction.

54On the sixth day, when they prepare what they bring in, it will be twice as much as they gather daily.”

6So Moses and Aaron said to all the sons of Israel, “At evening 56you will know that the Lord has brought you out of the land of Egypt;