13:21 Cities of the plain - Opposed to the cities of the mountain of the valley. All the kingdom of Sihon - A great part of it; in which sense we read of all Judea, and all the region round about Jordan, Mat 3:5, and all Galilee, Mat 4:23. Whom Moses smote - Not in the same time or battle, as appears by comparing Num 21:23,24, with Num 31:8, but in the same manner. And they are here mentioned, partly because they were slain not long after, and upon the same occasion, even their enmity against Israel; and partly because of their relation and subjection to Sihon. Dukes of Sihon - But how could they be so, when they were kings of Midian? Numb 31:8. There were divers petty kings in those parts, who were subject to greater kings; and such these were, but are here called dukes or princes of Sihon, because they were subject and tributaries to him, and therefore did one way or other assist Sihon in this war, though they were not killed at this time. It is probable, that when Sihon destroyed those Moabites which dwelt in these parts, he frighted the rest of them, and with them their neighbours and confederates, the Midianites, into some kind of homage, which they were willing to pay him. Dwelling in the country - Heb. inhabiting that land, namely Midian, last mentioned; whereby he signifies, that tho' they were subject to Sihon, yet they did not dwell in his land, but in another.
13:7-33 The land must be divided among the tribes. It is the will of God that every man should know his own, and not take that which is another's. The world must be governed, not by force, but right. Wherever our habitation is placed, and in whatever honest way our portion is assigned, we should consider them as allotted of God; we should be thankful for, and use them as such, while every prudent method should be used to prevent disputes about property, both at present and in future. Joshua must be herein a type of Christ, who has not only conquered the gates of hell for us, but has opened to us the gates of heaven, and having purchased the eternal inheritance for all believers, will put them in possession of it. Here is a general description of the country given to the two tribes and a half, by Moses. Israel must know their own, and keep to it; and may not, under pretence of their being God's peculiar people, encroach on their neighbours. Twice in this chapter it is noticed, that to the tribe of Levi Moses gave no inheritance: see Nu 18:20. Their maintenance must be brought out of all the tribes. The ministers of the Lord should show themselves indifferent about worldly interests, and the people should take care they want nothing suitable. And happy are those who have the Lord God of Israel for their inheritance, though little of this world falls to their lot. His providences will supply their wants, his consolations will support their souls, till they gain heavenly joy and everlasting pleasures.
