Sahih al-Bukhari 6234
صحيح البخاري#6234SahihNarrated Abu Huraira: Allah's Messenger (ﷺ) said, "The younger person should greet the older one, and the walking person should greet the sitting one, and the small number of persons should greet the large number of persons
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: 79:8