Sahih al-Bukhari 6249
صحيح البخاري#6249SahihNarrated `Aisha:Allah's Messenger (ﷺ) said, "O `Aisha! This is Gabriel sending his greetings to you." I said, "Peace, and Allah's Mercy be on him (Gabriel). You see what we do not see." (She was addressing Allah's Apostle)
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: 79:23