Sahih Muslim 281
صحيح مسلم#281SahihIyas b. Salama narrated from his father that the Apostle (ﷺ) observed:He who draws the sword against us is not of us
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: 1:187