אָ֣ז יִבָּקַ֤ע כַּשַּׁ֙חַר֙ אוֹרֶ֔ךָ וַאֲרֻכָתְךָ֖ מְהֵרָ֣ה תִצְמָ֑ח וְהָלַ֤ךְ לְפָנֶ֙יךָ֙ צִדְקֶ֔ךָ כְּב֥וֹד יְהוָ֖ה יַאַסְפֶֽךָ׃
Then shall thy light break forth as the morning, And thy healing shall spring forth speedily; And thy righteousness shall go before thee, The glory of the LORD shall be thy rearward.
Rashi on Isaiah
as the dawn Like the ray of dawn that breaks through the clouds.
Ibn Ezra on Isaiah
Then shall thy light break forth as the morning, gradually increasing.
Rashi on Isaiah
and your healing Heb. וַאֲרֻכָתְךָ, and your healing shall quickly sprout. Comp. (Jer. 30:17) “I will bring up healing (אֲרֻכָה) for you.”