Sahih Muslim 2003
صحيح مسلم#2003SahihJabir b. Samura reported:I used to pray with the Messenger of Allah (ﷺ) and both his prayer and sermon were of moderate length
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: 7:53