Sahih al-Bukhari 4436
صحيح البخاري#4436Sahihحَدَّثَنَا مُسْلِمٌ، حَدَّثَنَا شُعْبَةُ، عَنْ سَعْدٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، قَالَتْ لَمَّا مَرِضَ النَّبِيُّ صلى الله عليه وسلم الْمَرَضَ الَّذِي مَاتَ فِيهِ جَعَلَ يَقُولُ " فِي الرَّفِيقِ الأَعْلَى ".
Narrated `Aisha:When the Prophet (ﷺ) fell ill in his fatal illness, he started saying, "With the highest companion
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: 64:457