Sunan an-Nasa'i 829
سنن النسائي#829Sahihأَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا ابْنُ عُلَيَّةَ، قَالَ أَنْبَأَنَا شُعْبَةُ، عَنْ أَبِي إِسْحَاقَ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ يَزِيدَ، يَخْطُبُ قَالَ حَدَّثَنَا الْبَرَاءُ، وَكَانَ، غَيْرَ كَذُوبٍ أَنَّهُمْ كَانُوا إِذَا صَلَّوْا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم فَرَفَعَ رَأْسَهُ مِنَ الرُّكُوعِ قَامُوا قِيَامًا حَتَّى يَرَوْهُ سَاجِدًا ثُمَّ سَجَدُوا .
It was narrated that Abu Ishaq said:"I heard 'Abdullah bin Yazid delivering a Khutbah. He said: 'Al-Bara, who was no liar,told us that when they prayed with the Messenger of Allah (ﷺ) would raise his head from bowing and they would remain standing until they saw him prostrate, then they would prostrate
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:
In-book reference: 10:53