Sahih al-Bukhari 909
صحيح البخاري#909SahihNarrated `Abdullah bin Abi Qatada on the authority of his father:The Prophet (ﷺ) said, "Do not stand up (for prayer) unless you see me, and observe calmness and solemnity
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: 11:33