Exodus 16:5-7

New Century Version

⁵ On the sixth day of each week, they are to gather twice as much as they gather on other days. Then they are to prepare it.”

⁶ So Moses and Aaron said to all the Israelites: “This evening you will know that the Lord is the one who brought you out of Egypt. ⁷ Tomorrow morning you will see the glory of the Lord, because he has heard you grumble against him. We are nothing, so you are not grumbling against us, but against the Lord.”