Sunan Abi Dawud 949
سنن أبي داود#949Sahihحَدَّثَنَا مُحَمَّدُ بْنُ عِيسَى، حَدَّثَنَا هُشَيْمٌ، أَخْبَرَنَا إِسْمَاعِيلُ بْنُ أَبِي خَالِدٍ، عَنِ الْحَارِثِ بْنِ شُبَيْلٍ، عَنْ أَبِي عَمْرٍو الشَّيْبَانِيِّ، عَنْ زَيْدِ بْنِ أَرْقَمَ، قَالَ كَانَ أَحَدُنَا يُكَلِّمُ الرَّجُلَ إِلَى جَنْبِهِ فِي الصَّلاَةِ فَنَزَلَتْ { وَقُومُوا لِلَّهِ قَانِتِينَ } فَأُمِرْنَا بِالسُّكُوتِ وَنُهِينَا عَنِ الْكَلاَمِ .
Zaid b. Arqam said ; One of us used to speak to the man standing by his side during prayer. Then the Quranic verse “ And stand up with devotion to Allah”
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: 2:560