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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
ahmad:17994 – Wakīʿ > ʿAbd al-Ḥamīd b. Bahrām > Shahr b.iḥawshab > Ibn Ghanm al-Ashʿarī

[Machine] The Prophet ﷺ said to Abu Bakr and Umar, "If you both were to gather in consultation, I would not go against both of you."  

أحمد:١٧٩٩٤ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا عَبْدُ الْحَمِيدِ بْنُ بَهْرَامٍ عَنْ شَهْرِ بْنِحَوْشَبٍ عَنِ ابْنِ غَنْمٍ الْأَشْعَرِيِّ

أَنَّ النَّبِيَّ ﷺ قَالَ لِأَبِي بَكْرٍ وَعُمَرَ لَوِ اجْتَمَعْتُمَا فِي مَشُورَةٍ مَا خَالَفْتُكُمَا  

See similar narrations below:

Collected by Suyūṭī