Sahih al-Bukhari 1223
صحيح البخاري#1223SahihNarrated Abu Huraira:People say that I narrate too many narrations of the Prophet; once I met a man (during the lifetime of the Prophet) and asked him, "Which Sura did Allah's Messenger (ﷺ) recite yesterday in the `Isha' prayer?" He said, "I do not know." I said, "Did you not attend the prayer?" He said, "Yes, (I did)." I said, "I know. He recited such and such Sura
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: 21:27