Abasa • AR-TAFSIR-IBN-KATHIR
﴿ وَمَا يُدْرِيكَ لَعَلَّهُۥ يَزَّكَّىٰٓ ﴾
“Yet for all thou didst know, [O Muhammad,] he might perhaps have grown in purity,”
أي يحصل له زكاة وطهارة في نفسه.