Sahih Muslim 6778
صحيح مسلم#6778Sahihحَدَّثَنِي إِسْحَاقُ بْنُ مَنْصُورٍ، أَخْبَرَنَا عَبْدُ الصَّمَدِ، حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا أَبُو عِمْرَانَ، الْجَوْنِيُّ عَنْ جُنْدَبٍ، - يَعْنِي ابْنَ عَبْدِ اللَّهِ - أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " اقْرَءُوا الْقُرْآنَ مَا ائْتَلَفَتْ عَلَيْهِ قُلُوبُكُمْ فَإِذَا اخْتَلَفْتُمْ فَقُومُوا " .
Jundub (i. e. Ibn 'Abdullah) reported that Allah's Messenger (ﷺ) said:Recite the Qur'an as long as your hearts agree to do so and when you find variance between them, then stand up
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: 47:4