Sahih al-Bukhari 3706
صحيح البخاري#3706SahihAnd narrated Sad that the Prophet (ﷺ) said to 'Ali, "Will you not be pleased from this that you are to me like Aaron was to Moses?
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: 62:56