Sahih al-Bukhari 6440
صحيح البخاري#6440SahihUbayy said (referring to the hadith above), "We considered this as a saying from the Qur'an till the Surah (beginning with):"The mutual rivalry (for piling up of worldly things) diverts you' (102:1) was revealed
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: 81:29