לֹ֤א יִכְהֶה֙ וְלֹ֣א יָר֔וּץ עַד־יָשִׂ֥ים בָּאָ֖רֶץ מִשְׁפָּ֑ט וּלְתוֹרָת֖וֹ אִיִּ֥ים יְיַחֵֽילוּ׃ (פ)
He shall not fail nor be crushed, Till he have set the right in the earth; And the isles shall wait for his teaching.
Read halakhic rulings (Jewish law) on Isaiah 42:4 from the Mishneh Torah and classical halakhic sources, free online.