Sahih al-Bukhari 2400
صحيح البخاري#2400SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "Procrastination (delay) in repaying debts by a wealthy person is injustice
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: 43:16