John Gills Exposition of the Bible Commentary - Isaiah 21:12
The watchman said, the morning cometh, and also the night ,.... Not only a morning, but a night; and as sure as the morning comes, so shall the night; there wilt be a constant succession of morning and night; as a morning of prosperity, so a night of adversity: the morning of the Gospel dispensation was coming on, or of Christ's coming in the flesh, which was attended with joy and cheerfulness; like the morning, it dispersed the shadows of the law, introduced light, which gradually and... read more
Matthew Henry's Complete Commentary - Isaiah 21:11-12
This prophecy concerning Dumah is very short, and withal dark and hard to be understood. Some think that Dumah is a part of Arabia, and that the inhabitants descended from Dumah the sixth son of Ishmael, as those of Kedar (Isa. 21:16, 17) from Ishmael's second son, Gen. 25:13, 14. Others, because Mount Seir is here mentioned, by Dumah understand Idumea, the country of the Edomites. Some of Israel's neighbours are certainly meant, and their distress is foretold, not only for warning to them to... read more