Sahih Muslim 4065
صحيح مسلم#4065Sahihحَدَّثَنَا عَمْرٌو النَّاقِدُ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، أَخْبَرَنَا سُلَيْمَانُ الرَّبَعِيُّ، حَدَّثَنَا أَبُو الْمُتَوَكِّلِ النَّاجِيُّ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الذَّهَبُ بِالذَّهَبِ مِثْلاً بِمِثْلٍ " . فَذَكَرَ بِمِثْلِهِ .
This hadith has been narrated on the authority of Abu Sa'id al-Khudri (Allah be pleased with him) through another chain of transmitters
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: 22:104