Jami` at-Tirmidhi 1926
جامع الترمذي#1926SahihAbu Hurairah narrated that:the Messenger of Allah said: "The religion is An-Nasihah" three times. They said: "O Messenger of Allah! For Whom?" He said : "To Allah , His books, the A'immah of the Muslims, and their average people
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 27:32