My righteousness; my salvation, as it is expounded in the next clause, the redemption of all my people, both Jews and Gentiles, which is the effect of his righteousness; either his justice, or his faithfulness, or his mercy and goodness; for all these are called by the name of righteousness in Scripture, and all these contributed to the work of man's redemption. My salvation is gone forth; shall shortly go forth; my secret and eternal purpose of saving my people shall speedily be fulfilled. Mine arms shall judge the people; either,
1. Shall destroy those people who obstruct or oppose this work. Or rather,
2. Shall subdue the Gentiles to mine authority, and rule them by my word and Spirit; which agrees best with the following clause. The isles; the remote countries of the Gentiles, as Isaiah 41:1, Isaiah 42:4, and elsewhere. Shall wait upon me; shall confidently expect and hope for this promised righteousness and salvation from me, and from me only, and not from idols, as they have done, nor by any other way.