Sahih Muslim 4958
صحيح مسلم#4958SahihIt has been narrated by Sa'd b. Abu Waqqas that the Messenger of Allah (ﷺ) said:The people of the West will continue to triumphantly follow the truth until the Hour is established
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: 33:253