Exodus 16:17-21

The sons of Israel did so, and some gathered much and some little.

When they measured it by the omer, the one who had gathered much did not have too much, and the one who had gathered little did not have too little; everyone gathered as much as he would eat.

Moses said to them, “No one is to leave any of it until morning.”

But they did not listen to Moses, and some left part of it until morning, and it bred worms and stank; and Moses was angry with them.

They gathered it morning by morning, everyone as much as he would eat; but when the sun became hot, it would melt. The Sabbath