Verse 35. - So they smote him. Acting under the direct commands of God, they exterminated the Amorites of the northern as they had of the southern kingdom. Chapter 22:1. - And the children of Israel set forward. Not necessarily after the defeats of Sihon and Og; it is quite as likely that this last journey was made while the armies were away on their northern conquests. And pitched in the plains of Moab. The Arboth Moab, or steppes of Moab, were those portions of the Jordan valley which had belonged to Moab perhaps as far north as the Jabbok. In this sultry depression, below the level of the sea, there are tracts of fertile and well-watered land amidst prevailing barrenness (see on Numbers 33:49). On this side Jordan by Jericho. Rather, "beyond the Jordan of Jericho," מֵעֵבֶר לְיַרְדֵּן יְרֵחו. On the phrase, "beyond the Jordan" ("Peraea"), which is used indifferently of both sides, the one by a conventional, the other by a natural, use, see on Deuteronomy 1:1. The Jordan of Jericho is the river in that part of its course where it flows past the district of Jericho.

21:21-35 Sihon went with his forces against Israel, out of his own borders, without provocation, and so ran upon his own ruin. The enemies of God's church often perish by the counsels they think most wisely taken. Og, king of Bashan, instead of being warned by the fate of his neighbours, to make peace with Israel, makes war with them, which proves in like manner his destruction. Wicked men do their utmost to secure themselves and their possessions against the judgments of God; but all in vain, when the day comes on which they must fall. God gave Israel success, while Moses was with them, that he might see the beginning of the glorious work, though he must not live to see it finished. This was, in comparison, but as the day of small things, yet it was an earnest of great things. We must prepare for fresh conflicts and enemies. We must make no peace or truce with the powers of darkness, nor even treat with them; nor should we expect any pause in our contest. But, trusting in God, and obeying his commands, we shall be more than conquerors over every enemy.So they smote him and his sons, and all his people,.... They engaged in battle with him, slew him and his sons that came with him, and all his armies; and which consisted, as is probable, of all able to bear arms in all his cities; which the more easily came into the hands of the Israelites after this battle, in which such a carnage was made:

until there was none left him alive; so universal was the slaughter at the battle, and in the cities that fell into their hands; they utterly destroyed men, women, and children, Deuteronomy 3:3,

and they possessed his land; in which were sixty cities fenced with high walls, gates, and bars, besides a great many unwalled towns; these were possessed by the half tribe of Manasseh, Deuteronomy 3:4.