isaiah 62:1 For Zion's sake will I not hold my peace, and for Jerusalem's sake I will not rest, until the righteousness thereof go forth as brightness, and the salvation thereof as a lamp that burneth. - Free Bible Online

      Isa 62:1-12. INTERCESSORY PRAYERS FOR ZION'S RESTORATION, ACCOMPANYING GOD'S PROMISES OF IT, AS THE APPOINTED MEANS OF ACCOMPLISHING IT.

      1. I--the prophet, as representative of all the praying people of God who love and intercede for Zion (compare Isa 62:6, 7; Ps 102:13-17), or else Messiah (compare Isa 62:6). So Messiah is represented as unfainting in His efforts for His people (Isa 42:4; 50:7).
      righteousness thereof--not its own inherently, but imputed to it, for its restoration to God's favor: hence "salvation" answers to it in the parallelism. "Judah" is to be "saved" through "the Lord our (Judah's and the Church's) righteousness" (Jer 23:6).
      as brightness--properly the bright shining of the rising sun (Isa 60:19; 4:5; 2Sa 23:4; Pr 4:18).
      lamp--blazing torch.

JFB.