Sahih al-Bukhari 3706
صحيح البخاري#3706Sahihحَدَّثَنِي مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا غُنْدَرٌ، حَدَّثَنَا شُعْبَةُ، عَنْ سَعْدٍ، قَالَ سَمِعْتُ إِبْرَاهِيمَ بْنَ سَعْدٍ، عَنْ أَبِيهِ، قَالَ النَّبِيُّ صلى الله عليه وسلم لِعَلِيٍّ " أَمَا تَرْضَى أَنْ تَكُونَ مِنِّي بِمَنْزِلَةِ هَارُونَ مِنْ مُوسَى ".
And narrated Sad that the Prophet (ﷺ) said to 'Ali, "Will you not be pleased from this that you are to me like Aaron was to Moses?
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: 62:56