Sahih al-Bukhari 7547
صحيح البخاري#7547Sahihحَدَّثَنَا حَجَّاجُ بْنُ مِنْهَالٍ، حَدَّثَنَا هُشَيْمٌ، عَنْ أَبِي بِشْرٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم مُتَوَارِيًا بِمَكَّةَ، وَكَانَ يَرْفَعُ صَوْتَهُ، فَإِذَا سَمِعَ الْمُشْرِكُونَ سَبُّوا الْقُرْآنَ وَمَنْ جَاءَ بِهِ، فَقَالَ اللَّهُ عَزَّ وَجَلَّ لِنَبِيِّهِ صلى الله عليه وسلم {وَلاَ تَجْهَرْ بِصَلاَتِكَ وَلاَ تُخَافِتْ بِهَا}
Narrated Ibn `Abbas:The Prophet (ﷺ) was hiding himself in Mecca and used to recite the (Qur'an) in a loud voice. When the pagans heard him they would abuse the Qur'an and the one who brought it, so Allah said to His Prophet: 'Neither say your prayer aloud, nor say it in a low tone
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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 97:172