Exodus 16:18 in the World English Bible
When they measured it with an omer, he who gathered much had nothing over, and he who gathered little had no lack. They each gathered according to his eating.
Context
17 And the children of Israel did so, and gathered, some more, some less.
18 And when they did mete it with an omer, he that gathered much had nothing over, and he that gathered little had no lack; they gathered every man according to his eating.
19 And Moses said, Let no man leave of it till the morning.