חֲגֽוֹר־חַרְבְּךָ֣ עַל־יָרֵ֣ךְ גִּבּ֑וֹר ה֝וֹדְךָ֗ וַהֲדָרֶֽךָ׃
Gürte dein Schwert um die Hüfte, o Held, in deinem Glanz und in deinem Schmuck!
Rashi on Psalms
Gird a sword on your thigh to wage the war of Torah, and that is your majesty and that is your glory.