Commentaries
13:1-5 The threatenings of God's word press heavily upon the wicked, and are a sore burden, too heavy for them to bear. The persons brought together to lay Babylon waste, are called God's sanctified or appointed ones; designed for this service, and made able to do it. They are called God's mighty ones, because they had their might from God, and were now to use it for him. They come from afar. God can make those a scourge and ruin to his enemies, who are farthest off, and therefore least dreaded.
3. sanctified ones—the Median and Persian soldiers solemnly set apart by Me for the destruction of Babylon, not inwardly "sanctified," but designated to fulfil God's holy purpose (Jer 51:27, 28; Joe 3:9, 11; where the Hebrew for prepare war is "sanctify" war).
for mine anger—to execute it.
rejoice in my highness—"Those who are made to triumph for My honor" [Horsley]. The heathen Medes could not be said to "rejoice in God's highness" Maurer translates, "My haughtily exulting ones" (Zep 3:11); a special characteristic of the Persians [Herodotus,1.88]. They rejoiced in their own highness, but it was His that they were unconsciously glorifying.