Sahih al-Bukhari 4995
صحيح البخاري#4995SahihNarrated Al-Bara':I learnt, 'Glorify the Name of your Lord the Most High' (Surat al-A'la) No 87, before the Prophet (ﷺ) came (to Medina)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 66:17