King James Version (KJV)
Can thine heart endure, or can thine hands be strong, in the days that I shall deal with thee? I the LORD have spoken {it}, and will do {it}.
Modern English
Can your heart endure, or can your hands be strong, in the days that I will deal with you? I, Yahweh, have spoken it, and will do it.
Hebrew
הֲיַעֲמֹ֤ד לִבֵּךְ֙ אִם־תֶּחֱזַ֣קְנָה יָדַ֔יִךְ לַיָּמִ֕ים אֲשֶׁ֥ר אֲנִ֖י עֹשֶׂ֣ה אוֹתָ֑ךְ אֲנִ֥י יְהוָ֖ה דִּבַּ֥רְתִּי וְעָשִֽׂיתִי׃
hayaʿamod libek ʾim-teḥezaqnah yadayik layamiym ʾasher ʾaniy ʿosheh ʾvotak ʾaniy yhvah dibartiy vʿashiytiy