أَلَمۡ تَرَ إِلَى ٱلَّذِينَ يُزَكُّونَ أَنفُسَهُمۚ بَلِ ٱللَّهُ يُزَكِّي مَن يَشَآءُ وَلَا يُظۡلَمُونَ فَتِيلًا
Did you not see to those who purify themselves, but God purifies/corrects who He wills/wants, and they are not being caused injustice to, (as little as) a cleft in a seed/twine
Author: Literal