Sahih Muslim 4283
صحيح مسلم#4283SahihAbu Haraira reported Allah's Messenger (ﷺ) as saying:Your oath should be about something regarding which your companion will believe you. 'Amr said: By which your companion will believe you
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 27:30