צִיּ֖וֹן בְּמִשְׁפָּ֣ט תִּפָּדֶ֑ה וְשָׁבֶ֖יהָ בִּצְדָקָֽה׃
Zion shall be redeemed with justice, And they that return of her with righteousness.
Read Jewish philosophy on Isaiah 1:27: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.