أَلَمۡ تَرَ إِلَى ٱلَّذِينَ يُزَكُّونَ أَنفُسَهُمۚ بَلِ ٱللَّهُ يُزَكِّي مَن يَشَآءُ وَلَا يُظۡلَمُونَ فَتِيلًا
Have you not regarded those who style themselves as pure? Indeed, it is Allah who purifies whomever He wishes, and they will not be wronged [so much as] a single date-thread
Author: Ali Quli Qarai