Sahih al-Bukhari 5656
صحيح البخاري#5656SahihNarrated Ibn `Abbas:The Prophet (ﷺ) went to visit a sick bedouin. Whenever the Prophet (ﷺ) went to a patient, he used to say to him, "Don't worry, if Allah will, it will be expiation (for your sins):" The bedouin said, "You say expiation? No, it is but a fever that is boiling or harassing an old man and will lead him to his grave without his will." The Prophet (ﷺ) said, "Then, yes, it is so
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: 75:16