48:14-47. The destruction of Moab is further prophesied, to awaken them by national repentance and reformation to prevent the trouble, or by a personal repentance and reformation to prepare for it. In reading this long roll of threatenings, and mediating on the terror, it will be of more use to us to keep in view the power of God's anger and the terror of his judgments, and to have our hearts possessed with a holy awe of God and of his wrath, than to search into all the figures and expressions here used. Yet it is not perpetual destruction. The chapter ends with a promise of their return out of captivity in the latter days. Even with Moabites God will not contend for ever, nor be always wroth. The Jews refer it to the days of the Messiah; then the captives of the Gentiles, under the yoke of sin and Satan, shall be brought back by Divine grace, which shall make them free indeed.

15. gone up … gone down—in antithesis.

out of her cities—Rather, "Moab … and her cities are gone up," namely, pass away in the ascending smoke of their conflagration (Jos 8:20, 21; Jud 20:40). When this took place, the young warriors would go down from the burning citadels only to meet their own slaughter [Grotius]. English Version is somewhat favored by the fact that "gone out" is singular, and "cities" plural. The antithesis favors Grotius.