T hough thou shouldest bray a fool in a mortar with a pestle along with bruised grain, Yet will not his foolishness depart from him.
حَتَّى لَوْ طَحَنْتَ الأحمَقَ بِمِدَقَّةٍ، فَلَنْ يُفارِقَهُ غَباؤهُ!