What does Isaiah 43:19 mean?

new--unprecedented in its wonderful character (Isa 42:9). spring forth--as a germinating herb: a beautiful image of the silent but certain gradual growth of events in God's providence (Mar 4:26-28). way in . . . wilderness--just as Israel in the wilderness, between the Red Sea and Canaan, was guided, and supplied with water by Jehovah; but the "new" deliverance shall be attended with manifestations of God's power and love, eclipsing the old (compare Isa 41:17-19). "I will open a way, not merely in the Red Sea…

…He promises not only to deliver them out of Babylon, but to conduct them safely and comfortably to their own land (Isa 43:19, Isa 43:20): I will make a way in the wilderness and rivers in the desert; for, it seems, the way from Babylon to Canaan, as well as from Egypt, lay through a desert land, which, while the returning captives passed through, God would provide for them, that their camp should be both well victualled and under a good conduct.…

Behold, I will do a new thing,.... A wonderful and unheard of thing, and therefore introduced with a "behold", as a note of admiration; the same with the new thing created in the earth, Jeremiah 31:22, the incarnation of the Son of God; who took flesh of a virgin, appeared in the likeness of sinful flesh, and was made sin and a curse for his people, in order to obtain eternal redemption for them; which blessing, though not newly thought of, resolved on, contrived, and agreed upon, that being from eternity…