50:8-20 The desolation that shall be brought upon Babylon is set forth in a variety of expressions. The cause of this destruction is the wrath of the Lord. Babylon shall be wholly desolated; for she hath sinned against the Lord. Sin makes men a mark for the arrows of God's judgments. The mercy promised to the Israel of God, shall not only accompany, but arise from the destruction of Babylon. These sheep shall be gathered from the deserts, and put again into good pasture. All who return to God and their duty, shall find satisfaction of soul in so doing. Deliverances out of trouble are comforts indeed, when fruits of the forgiveness of sin.
11. (Isa 47:6).
grown fat—and so, skip wantonly.
at grass—fat and frisky. But there is a disagreement of gender in Hebrew reading thus. The Keri is better: "a heifer threshing"; the strongest were used for threshing, and as the law did not allow their mouth to be muzzled in threshing (De 25:4), they waxed wanton with eating.
bellow as bulls—rather, "neigh as steeds," literally, "strong ones," a poetical expression for steeds (see on Jer 8:16) [Maurer].