Sahih al-Bukhari 6115
صحيح البخاري#6115SahihNarrated Sulaiman bin Sarad:Two men abused each other in front of the Prophet (ﷺ) while we were sitting with him. One of the two abused his companion furiously and his face became red. The Prophet (ﷺ) said, "I know a word (sentence) the saying of which will cause him to relax if this man says it. Only if he said, "I seek refuge with Allah from Satan, the outcast.' " So they said to that (furious) man, 'Don't you hear what the Prophet (ﷺ) is saying?" He said, "I am not mad
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: 78:142