And I will bring the blind by a way that they knew not; I will lead them in paths that they have not known: I will make darkness light before them, and crooked things straight. These things will I do unto them, and not forsake them.
16. And I will lead the blind. After having shewn that the strength of the enemies cannot prevent God from delivering his people, he proceeds with that consolation to which he had formerly adverted. He describes by the word blind those whose affairs are so difficult, and intricate, and disordered, that they know not to what hand to turn, or in what direction to flee...
It comes all to one whether we make these verses (as some do) the song itself that is to be sung by the Gentile world or a prophecy of what God will do to make way for the singing of that song, that evangelical new song. I. He will appear in his power and glory more than ever.
Commenting on Isaiah 42:13-17
And I will bring the blind by a way that they knew not,.... The Targum interprets this of the people of Israel, thus, "I will lead the house of Israel, which are like to the blind, in a way which they knew not.'' But it is better to understand it of the Gentiles, who, before the light of the Gospel came among them, were blind...