42:13-17 The Lord will appear in his power and glory. He shall cry, in the preaching of his word. He shall cry aloud in the gospel woes, which must be preached with gospel blessings, to awaken a sleeping world. He shall conquer by the power of his Spirit. And those that contradict and blaspheme his gospel, he shall put to silence and shame; and that which hinders its progress shall be taken out of the way. To those who by nature were blind, God will show the way to life and happiness by Jesus Christ. They are weak in knowledge, but He will make darkness light. They are weak in duty, but their way shall be plain. Those whom God brings into the right way, he will guide in it. This passage is a prophecy, and is also applicable to every believer; for the Lord will never leave nor forsake them.

16. blind—God's people, Israel, in captivity, needing a guide. In the ulterior sense the New Testament Church, which was about to be led and enlightened by the Son of God as its leader and shepherd in the wilderness of the Roman empire, until it should reach a city of habitation. "A way … they knew not," refers to the various means ployed by Providence for the establishment of the Church in the world, such as would never have occurred to the mind of mere man. "Blind," they are called, as not having heretofore seen God's ways in ordering His Church.

make darkness light, &c.—implies that the glorious issue would only be known by the event itself [Vitringa]. The same holds good of the individual believer (Isa 30:21; Ps 107:7; compare Ho 2:6, 14; Eph 5:8; Heb 13:5).