Moses
Exodus 20:10BSB·traditional attribution

but the seventh day is a Sabbath to the LORD your God, on which you must not do any work—neither you, nor your son or daughter, nor your manservant or maidservant or livestock, nor the foreigner within your gates.

John Calvin Reformed @genevareformer

10. Thou shalt not do any work. That is, whatever could have been finished yesterday, or postponed till to-morrow. (For instance, Added from Fr. ) it was not lawful for judges to give a hearing to two litigants; but if any one had violently assaulted his neighbor, it was allowable to prevent the injury, and to give relief to the unoffending person; because the necessity...

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The preface of the law-writer, Moses: God spoke all these words, Exo 20:1. The law of the ten commandments is, 1. A law of God's making. They are enjoined by the infinite eternal Majesty of heaven and earth. And where the word of the King of kings is surely there is power. 2. It is a law of his own speaking.

Commenting on Exodus 20:1-11

John Gill Reformed Baptist @doctorgill

But the seventh day is the sabbath of the Lord thy God,.... Not which he rested on, and ceased from the works of creation in, though he did rest on the seventh day of the creation, and so on every other day since, as well as that; nor does it appear, nor can it be proved, that this day appointed to the Jews as a...