Sahih Muslim 6758
صحيح مسلم#6758Sahihحَدَّثَنِي أَبُو الطَّاهِرِ، وَأَحْمَدُ بْنُ عِيسَى، قَالاَ حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ بْنُ، يَزِيِدَ عَنِ ابْنِ شِهَابٍ، أَنَّ أَبَا سَلَمَةَ بْنَ عَبْدِ الرَّحْمَنِ، أَخْبَرَهُ أَنَّ أَبَا هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَا مِنْ مَوْلُودٍ إِلاَّ يُولَدُ عَلَى الْفِطْرَةِ " . ثُمَّ يَقُولُ اقْرَءُوا { فِطْرَةَ اللَّهِ الَّتِي فَطَرَ النَّاسَ عَلَيْهَا لاَ تَبْدِيلَ لِخَلْقِ اللَّهِ ذَلِكَ الدِّينُ الْقَيِّمُ}
Abu Huraira reported Allah's Messenger (ﷺ) as saying:No child is born but upon Fitra. He then said. Recite: The nature made by Allah in which He created man, there is no altering of Allah's nature; that is the right religion
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: 46:36