50:21-32 The forces are mustered and empowered to destroy Babylon. Let them do what God demands, and they shall bring to pass what he threatens. The pride of men's hearts sets God against them, and ripens them apace for ruin. Babylon's pride must be her ruin; she has been proud against the Holy One of Israel; who can keep those up whom God will throw down?

21. Merathaim—a symbolical name for Babylon, the doubly rebellious, namely, against God. Compare Jer 50:24, "thou hast striven against the Lord"; and Jer 50:29, "proud against the Lord." The "doubly" refers to: first, the Assyrian's oppression of Israel; next, the kindred Chaldean's oppression of Judah (compare Jer 50:17-20, 33; especially Jer 50:18).

Pekod—(Eze 23:23); a chief province of Assyria, in which Nineveh, now overthrown, once lay. But, as in Merathaim, the allusion is to the meaning of Pekod, namely, "visitation"; the inhabitants whose time of deserved visitation in punishment is come; not, however, without reference to the now Babylonian province, Pekod. The visitation on Babylon was a following up of that on Assyria.

after them—even their posterity, and all that is still left of Babylon, until the very name is extinct [Grotius]. Devastate the city, after its inhabitants have deserted it.

all … I … commanded—by Isaiah (Isa 13:1, &c.).