Exodus:16:4-5
jps@Exodus:16:4 @ Then said the LORD unto Moses: 'Behold, I will cause to 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.
jps@Exodus:16:5 @ 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.'