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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:2481 – Abū al-Ḥusayn ʿAlī b. Muḥammad b. ʿAbdullāh b. Bishrān al-ʿAdl> Abū ʿAlī Ismāʿīl b. Muḥammad al-Ṣaffār > Muḥammad b. ʿUbaydullāh b. al-Munādī > Abū ʿAmr Shabābah b. Sawwār > Shuʿbah > Abū ʿAwn Muḥammad b. ʿUbaydullāh > Jābir b. Samurah > ʿUmar b. al-Khaṭṭāb > Lisaʿd

[Machine] To Saad ibn Abi Waqas, indeed the people of Kufa complain about everything, even in prayer.  

البيهقي:٢٤٨١ – أَخْبَرَنَا أَبُو الْحُسَيْنِ عَلِيُّ بْنُ مُحَمَّدِ بْنِ عَبْدِ اللهِ بْنِ بِشْرَانَ الْعَدْلُ بِبَغْدَادَ أنا أَبُو عَلِيٍّ إِسْمَاعِيلُ بْنُ مُحَمَّدٍ الصَّفَّارُ ثنا مُحَمَّدُ بْنُ عُبَيْدِ اللهِ بْنِ الْمُنَادِي ثنا أَبُو عَمْرٍو شَبَابَةُ بْنُ سَوَّارٍ ثنا شُعْبَةُ عَنْ أَبِي عَوْنٍ مُحَمَّدِ بْنِ عُبَيْدِ اللهِ عَنْ جَابِرِ بْنِ سَمُرَةَ أَنَّ عُمَرَ بْنَ الْخَطَّابِ ؓ قَالَ

لِسَعْدِ بْنِ أَبِي وَقَّاصٍ ؓ إِنَّ أَهْلَ الْكُوفَةِ شَكَوْكَ فِي كُلِّ شَيْءٍ حَتَّى فِي الصَّلَاةِ