Muwatta Malik· موطأ مالك
Muwatta Malik 311
Yahya related to me from Malik that he had heard that Urwa ibn az-Zubayr and…
মুয়াত্তা ইমাম মালিক ৩১১ · মুয়াত্তা মালিক•Prayer in Congregation
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عُرْوَةَ بْنَ الزُّبَيْرِ، وَسَعِيدَ بْنَ الْمُسَيَّبِ، كَانَا يُصَلِّيَانِ النَّافِلَةَ وَهُمَا مُحْتَبِيَانِ .
Narrator: Yahya
Yahya related to me from Malik that he had heard that Urwa ibn az-Zubayr and Said ibn al-Musayyab used to pray voluntary prayers sitting- Salim al-HilaliMaqtu Sahih