הֵ֣ן אֲדֹנָ֤י יְהוִה֙ יַֽעֲזָר־לִ֔י מִי־ה֖וּא יַרְשִׁיעֵ֑נִי הֵ֤ן כֻּלָּם֙ כַּבֶּ֣גֶד יִבְל֔וּ עָ֖שׁ יֹאכְלֵֽם׃
Behold, the Lord GOD will help me; Who is he that shall condemn me? Behold, they all shall wax old as a garment, The moth shall eat them up.
Read Jewish philosophy on Isaiah 50:9: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.