Commentaries:
Jamieson, Fausset, and Brown
Rather, "shall pass beyond his strongholds"; he Shall not stop to take refuge in it through fear (Judges 20:47; Jeremiah 48:28) [GESENIUS].
ensign—the banner of Jehovah protecting the Jews [MAURER].
fire . . . furnace—"light" and "fire," namely, of Jehovah's altar at Jerusalem (Isaiah 29:1). Perhaps "furnace," as distinguished from "fire," may mean that His dwelling-place (His hearth) was at Jerusalem (compare Isaiah 4:5); or else the fiery furnace awaiting all the enemies who should attack Jerusalem.
The times of purity and happiness which shall follow the defeat of the enemies of Jehovah's people (Isaiah 32:1-8). The period of wrath before that happy state (Isaiah 32:9-14). The assurance of the final prosperity of the Church is repeated (Isaiah 32:15-20).
Other Jamieson, Fausset, and Brown entries containing Isaiah 31:9:
Isaiah 29:1
Isaiah 29:2
Isaiah 31:1
Romans 11:26-27
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