Sahih al-Bukhari 432
صحيح البخاري#432SahihNarrated Ibn `Umar:The Prophet (ﷺ) had said, "Offer some of your prayers (Nawafil) at home, and do not take your houses as graves
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: 8:82