Arise and thresh, O daughter of Zion, for I will make your horn iron, and I will make your hoofs bronze; you shall beat in pieces many peoples; and shall devote their gain to the LORD, their wealth to the Lord of the whole earth.
Arise and thresh, daughter of Zion; for I have made thy horn Horn, in Scripture, means often elevation, dignity, power, strength. It means evidently in the last here. Zion was made strong to thrash the nations, and supplied with strong hoofs to tread on them.
These verses relate to Zion and Jerusalem, here called the tower of the flock or the tower of Edor; we read of such a place (Gen 35:21) near Bethlehem; and some conjecture it is the same place where the shepherds were keeping their flocks when the angels brought them tidings of the birth of Christ, and some think Bethlehem itself is here spoken of, as Mic 5:2.
Commenting on Micah 4:8-13
Arise, and thresh, O daughter of Zion,.... The nations gathered against her, and now laid together on the floor as sheaves to be threshed. Here the people of God are aroused, and called out of a low and weak estate, and are animated and encouraged to exert themselves, and fall upon their enemies, and destroy them; alluding to the threshing of grain on the floor...