Sahih al-Bukhari 3972
صحيح البخاري#3972SahihNarrated 'Abdullah: The Prophet (ﷺ) recited Surat-an-Najm and then prostrated himself, and all who were with him prostrated too. But an old man took a handful of dust and touched his forehead with it saying, "This is sufficient for me." Later on I saw him killed as an infidel
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: 64:25