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bukhari:3771Muḥammad b. Bashhār > ʿAbd al-Wahhāb b. ʿAbd al-Majīd > Ibn ʿAwn > al-Qāsim b. Muḥammad > ʿĀʾishah Āshtakat Fajāʾ Ibn ʿAbbās

Once ʿAisha became sick and Ibn ʿAbbas went to see her and said, "O mother of the believers! You are leaving for truthful fore-runners i.e. for Messenger of Allah ﷺ and Abu Bakr.  

البخاري:٣٧٧١حَدَّثَنِي مُحَمَّدُ بْنُ بَشَّارٍ حَدَّثَنَا عَبْدُ الْوَهَّابِ بْنُ عَبْدِ الْمَجِيدِ حَدَّثَنَا ابْنُ عَوْنٍ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ أَنَّ عَائِشَةَ اشْتَكَتْ فَجَاءَ ابْنُ عَبَّاسٍ فَقَالَ

يَا أُمَّ الْمُؤْمِنِينَ تَقْدَمِينَ عَلَى فَرَطِ صِدْقٍ عَلَى رَسُولِ اللَّهِ ﷺ وَعَلَى أَبِي بَكْرٍ