Sahih al-Bukhari 6003
صحيح البخاري#6003SahihNarrated Usama bin Zaid:Allah's Messenger (ﷺ) used to put me on (one of) his thighs and put Al-Hasan bin `Ali on his other thigh, and then embrace us and say, "O Allah! Please be Merciful to them, as I am merciful to them
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: 78:34