וַאֲמַרִית אוֹבַד תּוּקְפִי וְטוּבָא דַהֲוֵיתִי אוֹרִיךְ מִן קֳדָם יְיָ.
1. endurance | נִצְחִי – See Hoil Moshe. Or, similarly: "my might" (Ibn Kaspi), or: "my existence" (Ibn Ezra). Alternatively: "my glory", as per the word's usage in Divrei HaYamim 29:11.