הִנֵּ֨ה אֲדֹנָ֤י יְהוִה֙ בְּחָזָ֣ק יָב֔וֹא וּזְרֹע֖וֹ מֹ֣שְׁלָה ל֑וֹ הִנֵּ֤ה שְׂכָרוֹ֙ אִתּ֔וֹ וּפְעֻלָּת֖וֹ לְפָנָֽיו׃
Behold, the Lord GOD will come as a Mighty One, And His arm will rule for Him; Behold, His reward is with Him, And His recompense before Him.
Read halakhic rulings (Jewish law) on Isaiah 40:10: and classical halakhic sources.