Surah Abasa, Verse 3
وَمَا يُدْرِيكَ لَعَلَّهُۥ يَزَّكَّىٰٓ
Translation — Sahih International
But what would make you perceive, [O Muhammad], that perhaps he might be purified
Source
Kur'an-ı Kerim, Abese Suresi 80:3
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/80-suresi-3-ayet