Sahih Muslim 5890
صحيح مسلم#5890SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:The truest verse recited by a poet is: "Behold! apart from Allah everything is vain," and Ibn Abu Salt was almost a Muslim
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: 41:5