Moses
Exodus 23:12ESV·traditional attribution

“Six days you shall do your work, but on the seventh day you shall rest; that your ox and your donkey may have rest, and the son of your servant woman, and the alien, may be refreshed.

John Calvin Reformed @genevareformer

12. Six days thou shalt do thy work. In this passage the incidental use of the Sabbath is again referred to, although it is no inherent part of its original institution, viz., that by its means the family also and the cattle shall be benefited.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The institution of the sabbatical year, Exo 23:10, Exo 23:11. Every seventh year the land was to rest; they must not plough nor sow it at the beginning of the year, and then they could not expect any great harvest at the end of the year: but what the earth did produce of itself should be eaten from hand to mouth, and not laid up.

Commenting on Exodus 23:10-19

John Gill Reformed Baptist @doctorgill

And in all things that I have said unto you, be circumspect,.... Or observe them, be careful to keep them punctually and constantly, even all that are delivered in this and the preceding chapters: and make no mention of the name of other gods; neither call upon them, nor swear by them, nor make vows to them; and, as little as possible, ever utter their...