80:7
وَمَا عَلَيْكَ أَلَّا يَزَّكَّىٰ
wamā ʿalayka allā yazzakkā
though you are not to be blamed for his lack of spiritual growth––
What does it matter to you if he will not become pure (from disbelief: you are only a Messenger, your duty is to convey the Message of Allâh).