King James Version (KJV)
Behold, the Lord GOD will come with strong {hand}, and his arm shall rule for him: behold, his reward {is} with him, and his work before him. {with strong...: or, against the strong} {his work: or, recompence for his work}
Modern English
Behold, the Lord Yahweh will come as a mighty one, and his arm will rule for him. Behold, his reward is with him, and his recompense before him.
Hebrew
הִנֵּ֨ה אֲדֹנָ֤י יְהוִה֙ בְּחָזָ֣ק יָב֔וֹא וּזְרֹע֖וֹ מֹ֣שְׁלָה ל֑וֹ הִנֵּ֤ה שְׂכָרוֹ֙ אִתּ֔וֹ וּפְעֻלָּת֖וֹ לְפָנָֽיו׃
hineh ʾadonay yhvih bḥazaq yabvoʾ vzroʿvo moshlah lvo hineh shkarvo ʾitvo vpʿulatvo lpanayv