Sunan Ibn Majah — Establishing the Prayer and the Sunnah Regarding Them — Hadith No: 1350
Translation
It was narrated that Jasrah bint Dijajah said:“I heard Abu Dharr say: ‘The Prophet (ﷺ) stood reciting a Verse and repeating it until morning came. That Verse was: “If you punish them, they are Your slaves, and if You forgive them, verily You, only You, are the All- Mighty, the All-Wise.’”” [5:]