Sahih al-Bukhari 2059
صحيح البخاري#2059SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "A time will come when one will not care how one gains one's money, legally or illegally
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: 34:13