Commentaries
49:7-22 The Edomites were old enemies to the Israel of God. But their day is now at hand; it is foretold, not only to warn them, but for the sake of the Israel of God, whose afflictions were aggravated by them. Thus Divine judgments go round from nation to nation; the earth is full of commotion, and nothing can escape the ministers of Divine vengeance. The righteousness of God is to be observed amidst the violence of men.
12. (Compare Jer 25:15, 16, 29).
they whose judgment was not to drink of the cup—the Jews to whom, by virtue of the covenant relation, it did not belong to drink the cup. It might have been expected that they would be spared. He regards not the merits of the Jews, for they were as bad or worse than others: but the grace and adoption of God; it is just and natural ("judgment") that God should pardon His sons sooner than aliens [Calvin].