Then Moses said to them, "No one may keep any of it until morning."

Exodus 12:10
Do not leave any of it until morning; before the morning you must burn up any part that is left over.

Exodus 16:20
But they did not listen to Moses; some people left part of it until morning, and it became infested with maggots and began to smell. So Moses was angry with them.

Exodus 16:23
He told them, "This is what the LORD has said: 'Tomorrow is to be a day of complete rest, a holy Sabbath to the LORD. So bake what you want to bake, and boil what you want to boil. Then set aside whatever remains and keep it until morning.'"

Exodus 23:18
You must not offer the blood of My sacrifices with anything leavened, nor may the fat of My feast remain until morning.

And Moses said, Let no man leave of it till the morning.