وَمَا عَلَيْكَ أَلَّا يَزَّكَّىٰ
English Translation
And not upon you [is any blame] if he will not be purified.
English Transliteration
Wama AAalayka alla yazzakka
Tafsir of Verse 7
though it is not thy concern, if he does not cleanse himself.
Though it is no blame to thee if he grow not (in spiritual understanding).