Sahih al-Bukhari 6412
صحيح البخاري#6412SahihNarrated Ibn `Abbas:The Prophet (ﷺ) said: "There are two blessings that many people are deceived into losing: health and free time
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: 81:1