And you shall write on the stones all the words of this law very plainly.”
Here is, I. A general charge to the people to keep God's commandments; for in vain did they know them, unless they would do them. This is pressed upon them, 1. With all authority. Moses with the elders of Israel, the rulers of each tribe (Deu 27:1), and again, Moses and the priests the Levites (Deu 27:9); so that the charge is given by Moses...
Commenting on Deuteronomy 27:1-10
And thou shall write upon the stones all the words of this law,.... Not upon the stones of the altar, but upon the first stones brought to Mount Ebal, and set up there before, and on which the words were inscribed before the altar was erected; though according to the Misnah (u) the altar was built of these stones, and on that the law written...
And thou shalt write upon the stones all the words of this law very plainly. (d) That everyone may well read it, and understand it.