Sahih al-Bukhari 7319
صحيح البخاري#7319Sahihحَدَّثَنَا أَحْمَدُ بْنُ يُونُسَ، حَدَّثَنَا ابْنُ أَبِي ذِئْبٍ، عَنِ الْمَقْبُرِيِّ، عَنْ أَبِي هُرَيْرَةَ، رضى الله عنه عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ تَقُومُ السَّاعَةُ حَتَّى تَأْخُذَ أُمَّتِي بِأَخْذِ الْقُرُونِ قَبْلَهَا، شِبْرًا بِشِبْرٍ وَذِرَاعًا بِذِرَاعٍ ". فَقِيلَ يَا رَسُولَ اللَّهِ كَفَارِسَ وَالرُّومِ. فَقَالَ " وَمَنِ النَّاسُ إِلاَّ أُولَئِكَ ".
Narrated Abu Huraira:The Prophet (ﷺ) said, "The Hour will not be established till my followers copy the deeds of the previous nations and follow them very closely, span by span, and cubit by cubit (i.e., inch by inch)." It was said, "O Allah's Messenger (ﷺ)! Do you mean by those (nations) the Persians and the Byzantines?" The Prophet said, "Who can it be other than they?
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: 96:49