Sahih Muslim 196
صحيح مسلم#196Sahihحَدَّثَنَا مُحَمَّدُ بْنُ عَبَّادٍ الْمَكِّيُّ، حَدَّثَنَا سُفْيَانُ، قَالَ قُلْتُ لِسُهَيْلٍ إِنَّ عَمْرًا حَدَّثَنَا عَنِ الْقَعْقَاعِ، عَنْ أَبِيكَ، قَالَ وَرَجَوْتُ أَنْ يُسْقِطَ، عَنِّي رَجُلاً قَالَ فَقَالَ سَمِعْتُهُ مِنَ الَّذِي سَمِعَهُ مِنْهُ أَبِي كَانَ صَدِيقًا لَهُ بِالشَّامِ ثُمَّ حَدَّثَنَا سُفْيَانُ عَنْ سُهَيْلٍ عَنْ عَطَاءِ بْنِ يَزِيدَ عَنْ تَمِيمٍ الدَّارِيِّ أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " الدِّينُ النَّصِيحَةُ " قُلْنَا لِمَنْ قَالَ " لِلَّهِ وَلِكِتَابِهِ وَلِرَسُولِهِ وَلأَئِمَّةِ الْمُسْلِمِينَ وَعَامَّتِهِمْ " .
It is narrated on the authority of Tamim ad-Dari that the Prophet (ﷺ) said:"The Religion is sincerity." We said, "To whom?" He said "To Allah, to His Book, To His Messenger, and to the leaders of the Muslims and their masses
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:103