Exodus 16:17-19

Young's Literal Translation

¹⁷ And the sons of Israel do so, and they gather, he who is [gathering] much, and he who is [gathering] little;

¹⁸ and they measure with an omer, and he who is [gathering] much hath nothing over, and he who is [gathering] little hath no lack, each according to his eating they have gathered.

¹⁹ And Moses saith unto them, `Let no man leave of it till morning;'