Sunan an-Nasa'i 1010
سنن النسائي#1010HasanJasrah bint Dijajah said:"I heard Abu Dharr say: 'The Prophet (ﷺ) stayed up all night repeating one verse. The 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan
Al-AlbaniHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 11:135