Sahih Muslim 1030
صحيح مسلم#1030SahihJabir b. Samura reported:The Apostle of Allah (ﷺ) used to recite in the noon prayer:" Glorify the name of thy Most High Lord in the morning prayer longer than this" (lxxxvii)
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: 4:192