Sahih Muslim 1211
صحيح مسلم#1211Sahihوَحَدَّثَنَا ابْنُ الْمُثَنَّى، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنِ ابْنِ عَوْنٍ، عَنِ الْقَاسِمِ، وَإِبْرَاهِيمَ، - قَالَ لاَ أَعْرِفُ حَدِيثَ أَحَدِهِمَا مِنَ الآخَرِ - أَنَّ أُمَّ الْمُؤْمِنِينَ - رضى الله عنها - قَالَتْ يَا رَسُولَ اللَّهِ يَصْدُرُ النَّاسُ بِنُسُكَيْنِ . فَذَكَرَ الْحَدِيثَ .
Ibn al-Muththanna reported on the authority of Ibn Abu'Adi who transmitted on the authority of Ibn'Aun who narrated from al-Qasim and Ibrahim having said:I cannot differentiate the hadith of one from the other (Qasim and Ibrahim) that the Mother of the Believers (Allah be pleased with her) said this: Messenger of Allah, people have come back with two acts of worship. The rest of the hadith is the same
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
Sahih Muslim 1211 is the standard (Abd al-Baqi) number; this narration is #2928 in the MuslimGPT index.
In-book reference: 15:137