Moses
Deuteronomy 2:24BSB·traditional attribution

“Arise, set out, and cross the Arnon Valley. See, I have delivered into your hand Sihon the Amorite, king of Heshbon, and his land. Begin to take possession of it and engage him in battle.

John Calvin Reformed @genevareformer

Deuteronomy 2:24. Rise ye up, take your journey. I have lately said that the order is here inverted, for what soon after follows, “And I sent messengers out of the wilderness,” etc., ver. 26, Moses, in my opinion, has inserted by way of parenthesis: it will, therefore, be suitably rendered in the pluperfect tense, “But I had sent,” etc.

Matthew Henry Presbyterian @wholebiblehenry

God having tried the self-denial of his people in forbidding them to meddle with the Moabites and Ammonites, and they having quietly passed by those rich countries, and, though superior in number, not made any attack upon them, here he recompenses them for their obedience by giving them possession of the country of Sihon king of the Amorites.

Commenting on Deuteronomy 2:24-37

John Gill Reformed Baptist @doctorgill

Rise ye up, take your journey, and pass over the river Arnon,.... Which was on the border of Moab, and divided between Moab and the Amorites, Num 21:13. behold, I have given into thy hand Sihon, the Amorite, king of Heshbon, and his land; that is, he had determined to give it to the Israelites, for as yet it was not actually given; of this...