Verse 15. The inhabitants - Namely, all that are guilty, not the innocent part, such as disowned this apostacy, who doubtless by choice, at least upon warning, would come out of so wicked a place. Utterly - The very same punishment which was, inflicted upon the cities of the cursed Canaanites, to whom having made themselves equal in sin, it is but just God should equal them in punishment.
Verse 16. For the Lord - For the satisfaction of God's justice, the maintainance of his honour and authority, and the pacification of his offended majesty. It shall not be built - It shall be an eternal monument of God's justice, and terror to after ages.
Verse 17. Multiply thee - So thou shalt have no loss of thy numbers by cutting off so many people.