Sahih Muslim 6859
صحيح مسلم#6859SahihAl-Agharr al-Muzani who was from amongst the Companions of Allah's Apostle (ﷺ) reported that Ibn 'Umar stated to him that Allah's Messenger (may peace 'be upon him) said:O people, seek repentance from Allah. Verily, I seek repentance from Him a hundred times a day
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 48:53