Sahih Muslim 1218
صحيح مسلم#1218Sahihوَحَدَّثَنِي الْحَكَمُ بْنُ مُوسَى الْقَنْطَرِيُّ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، ح قَالَ وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو خَالِدٍ، وَأَبُو أُسَامَةَ جَمِيعًا عَنْ هِشَامٍ، عَنْ مُحَمَّدٍ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ نَهَى أَنْ يُصَلِّيَ الرَّجُلُ مُخْتَصِرًا . وَفِي رِوَايَةِ أَبِي بَكْرٍ قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم .
Abu Huraira reported from the Messenger of Allah (ﷺ) that he forbade keeping one's hand on one's waist while praying, and in the narration of Abu Bakr (the words are):The Messenger of Allah (ﷺ) forbade to do so
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: 5:58