For a fire went out from Heshbon, a blaze from the city of Sihon. It consumed Ar of Moab, the rulers of Arnon’s heights.
We have here an account of the victories obtained by Israel over Sihon and Og, which must be distinctly considered, not only because they are here distinctly related, but because long afterwards the memorial of them is distinctly celebrated, and they are severally assigned as instances of everlasting mercy.
Commenting on Numbers 21:21-35
Thus Israel dwelt in the land of the Amorites. Not the land of the Moabites; and by those means before mentioned; by conquering Sihon their king, they came into the possession of it, and took up their dwelling in it; this was the beginning of the conquest of the Canaanites, and an earnest and pledge of inheriting their land promised unto them; the Israelites that...
For there is a fire gone out of Heshbon, a flame from the city of Sihon: it hath consumed Ar of Moab, [and] the lords of the high places of Arnon. (l) Meaning, wane.