Exodus 16:4-6

American Standard Version

⁴ Then said Jehovah unto Moses, Behold, I will rain bread from heaven for you; and the people shall go out and gather a day’s portion every day, that I may prove them, whether they will walk in my law, or not. ⁵ And it shall come to pass on the sixth day, that they shall prepare that which they bring in, and it shall be twice as much as they gather daily. ⁶ And Moses and Aaron said unto all the children of Israel, At even, then ye shall know that Jehovah hath brought you out from the land of Egypt;