Exodus 16:4; Exodus 16:8; Exodus 16:15

4 Then the Lord said to Moses, "I am going to rain bread from heaven for you, and each day the people shall go out and gather enough for that day. In that way I will test them, whether they will follow my instruction or not.

8 And Moses said, "When the Lord gives you meat to eat in the evening and your fill of bread in the morning, because the Lord has heard the complaining that you utter against him—what are we? Your complaining is not against us but against the Lord."

15 When the Israelites saw it, they said to one another, "What is it?" For they did not know what it was. Moses said to them, "It is the bread that the Lord has given you to eat.