4:49

أَلَمْ تَرَ إِلَى الَّذِينَ يُزَكُّونَ أَنفُسَهُم بَلِ اللَّهُ يُزَكِّي مَن يَشَاءُ وَلَا يُظْلَمُونَ فَتِيلًا

Transliteration:

Alam tara ila allatheena yuzakkoona anfusahum bali Allahu yuzakkee man yashao wala yuthlamoona fateelan

Word by Word:

Do not you see [towards] those who claim purity (for) themselves? Nay, (it is) Allah, He purifies whom He wills and not they will be wronged (even as much as) a hair on a date-seed.

Translations:

Art thou not aware of those who consider themselves pure? Nay, but it is God who causes whomever He wills to grow in purity; and none shall be wronged by as much as a hair's breadth.

Hast thou not turned Thy vision to those who claim sanctity for themselves? Nay-but God Doth sanctify whom He pleaseth. But never will they fail to receive justice in the least little thing.

Hast thou not seen those who praise themselves for purity? Nay, Allah purifieth whom He will, and they will not be wronged even the hair upon a date-stone.

Hast thou not seen those who attribute purity to themselves? Nay, Allah purifies whom He pleases, and they will not be wronged a whit.

Have you not seen those who claim themselves to be pure? Rather, Allah purifies whom He wills, and injustice is not done to them, [even] as much as a thread [inside a date seed].