רַחֲצוּ֙ הִזַּכּ֔וּ הָסִ֛ירוּ רֹ֥עַ מַעַלְלֵיכֶ֖ם מִנֶּ֣גֶד עֵינָ֑י חִדְל֖וּ הָרֵֽעַ׃
Wash you, make you clean, Put away the evil of your doings From before Mine eyes, Cease to do evil;
Read Jewish philosophy on Isaiah 1:16: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.