AHMAD-ZUHD 181:
from ʿAbd al-Raḥman b. Abān b. ʿUthmān from his father —
“The Messenger of Allah ﷺ stood up in Khaif in Mina, and said: ‘May Allah make his face shine, the man who hears my words and conveys them. It may be that the bearer of knowledge does not understand it, and it may be that he takes it to one who will understand it more than he does. There are three things in which the heart of the believer does not betray: sincerity of action for the sake of Allah, offering sincere advice to the rulers of the Muslims, and adhering to the Jama’ah (main body of the Muslims). Their supplication is answered (i.e. encompassing every good, and all of the people).” (Using translation from Ibn Mājah 3056)
الزهد لأحمد ١٨١:
عن عبد الرحمن بن ابان بن عثمان عن أبيه —
عَنْ أَشْيَاءَ سَمِعْتُهَا مِنْ رَسُولِ اللَّهِ ﷺ؛ سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ نَضَّرَ اللَّهُ امْرَأً سَمِعَ مِنَّا حَدِيثًا فَحَفِظَهُ حَتَّى يُبَلِّغَهُ غَيْرَهُ؛ فَإِنَّهُ رُبَّ حَامِلِ فِقْهٍ لَيْسَ بِفَقِيهٍ وَرُبَّ حَامِلِ فِقْهٍ إِلَى مَنْ هُوَ أَفْقَهُ مِنْهُ ثَلَاثُ خِصَالٍ لَا يُغِلُّ عَلَيْهِنَّ قَلْبُ مُسْلِمٍ أَبَدًا إِخْلَاصُ الْعَمَلِ لِلَّهِ ﷻ وَمُنَاصَحَةُ وُلَاةِ الْأَمْرِ وَلُزُومُ الْجَمَاعَةِ؛ فَإِنَّ دَعْوَتَهُمْ تُحُيطُ مِنْ وَرَائِهِمْ
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