Surah An-Nisa Verse 49 - English Translation by Ali Unal
Surah An-Nisaأَلَمۡ تَرَ إِلَى ٱلَّذِينَ يُزَكُّونَ أَنفُسَهُمۚ بَلِ ٱللَّهُ يُزَكِّي مَن يَشَآءُ وَلَا يُظۡلَمُونَ فَتِيلًا
Do you (O Messenger) not consider those who regard themselves pure and sanctified? No! Rather, it is God Who makes pure and sanctifies whomever He wills (considering the free will of each), and none is wronged even by as much as a tiny hair