Sahih Muslim 223
صحيح مسلم#223SahihIt is narrated on the authority of Jarir b. 'Abdullah that the Messenger of Allah (may peace and blessings be upon him) asked him on the occasion of the Farewell Pilgrimage to make the people silent and then said:Do not return to unbelief after me by striking the necks of one another
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: 1:129