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ahmad:4385Yaʿqūb from my father > Ibn Isḥāq > Muḥammad b. Kaʿb al-Quraẓī ʿAmman > ʿAbdullāh b. Masʿūd

[Machine] If your companion performs the Sunnah of your Prophet ﷺ , he should leave now. He said, "By Allah, Abdullah bin Mas'ood did not finish his speech until Ammar bin Yasir came out and said, "The prayer..."  

أحمد:٤٣٨٥حَدَّثَنَا يَعْقُوبُ حَدَّثَنَا أَبِي عَنِ ابْنِ إِسْحَاقَ حَدَّثَنَا مُحَمَّدُ بْنُ كَعْبٍ الْقُرَظِيُّ عَمَّنْ حَدَّثَهُ عَنْ عَبْدِ اللهِ بْنِ مَسْعُودٍ قَالَ بَيْنَا نَحْنُ مَعَهُ يَوْمَ الْجُمُعَةِ فِي مَسْجِدِ الْكُوفَةِ وَعَمَّارُ بْنُ يَاسِرٍ أَمِيرٌ عَلَى الْكُوفَةِ لِعُمَرَ بْنِ الْخَطَّابِ وَعَبْدُ اللهِ بْنُ مَسْعُودٍ عَلَى بَيْتِ الْمَالِ إِذْ نَظَرَ عَبْدُ اللهِ بْنُ مَسْعُودٍ إِلَى الظِّلِّ فَرَآهُ قَدْرَ الشِّرَاكِ فَقَالَ

إِنْ يُصِبْ صَاحِبُكُمْ سُنَّةَ نَبِيِّكُمْ ﷺ يَخْرُجِ الْآنَ قَالَ فَوَ اللهِ مَا فَرَغَ عَبْدُ اللهِ بْنُ مَسْعُودٍ مِنْ كَلَامِهِ حَتَّى خَرَجَ عَمَّارُ بْنُ يَاسِرٍ يَقُولُ الصَّلَاةَ