Sahih Muslim 4790
صحيح مسلم#4790Sahihحَدَّثَنَا حَسَنُ بْنُ الرَّبِيعِ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنِ الْجَعْدِ أَبِي عُثْمَانَ، عَنْ أَبِي، رَجَاءٍ عَنِ ابْنِ عَبَّاسٍ، يَرْوِيهِ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ رَأَى مِنْ أَمِيرِهِ شَيْئًا يَكْرَهُهُ فَلْيَصْبِرْ فَإِنَّهُ مَنْ فَارَقَ الْجَمَاعَةَ شِبْرًا فَمَاتَ فَمِيتَةٌ جَاهِلِيَّةٌ " .
It has been narrated on the authority of Ibn 'Abbas that the messenger of Allah (ﷺ) said:One who found in his Amir something which he disliked should hold his patience, for one who separated from the main body of the Muslims even to the extent of a handspan and then he died would die the death of one belonging to the days of Jahiliyya
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: 33:87