Commentaries
43:14-21 The deliverance from Babylon is foretold, but there is reference to greater events. The redemption of sinners by Christ, the conversion of the Gentiles, and the recall of the Jews, are described. All that is to be done to rescue sinners, and to bring the believer to glory, is little, compared with that wondrous work of love, the redemption of man.
18. So wonderful shall be God's future interpositions in your behalf, that all past ones shall be forgotten in comparison. Plainly the future restoration of Israel is the event ultimately meant. Thus the "former things" are such events as the destruction of Sennacherib and the return from Babylon. "Things of old" are events still more ancient, the deliverance from Egypt and at the Red Sea, and entry into Canaan [Vitringa].