Sahih al-Bukhari 3374
صحيح البخاري#3374SahihNarrated Abu Huraira:Some people asked the Prophet: "Who is the most honorable amongst the people?" He replied, "The most honorable among them is the one who is the most Allah-fearing." They said, "O Allah's Prophet! We do not ask about this." He said, "Then the most honorable person is Joseph, Allah's Prophet, the son of Allah's Prophet, the son of Allah's Prophet, the son of Allah's Khalil." They said, "We do not ask about this." He said, "Then you want to ask me about the Arabs' descent?" They said, "Yes." He said, "Those who were best in the pre-Islamic period, are the best in Islam, if they comprehend (the religious knowledge)
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: 60:48