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It was narrated that Al-Qasim bin Muhammad said: " I heard my paternal aunt say: 'The Messenger of Allah (ﷺ) said; "Whoever among you is appointed to a position of authority. If Allah wills good for him. He will give him a righteous minister who will remind him if he forgets and help him if he remembers
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا عَمْرُو بْنُ عُثْمَانَ، قَالَ حَدَّثَنَا بَقِيَّةُ، قَالَ حَدَّثَنَا ابْنُ الْمُبَارَكِ، عَنِ ابْنِ أَبِي حُسَيْنٍ، عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ، قَالَ سَمِعْتُ عَمَّتِي، تَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ وَلِيَ مِنْكُمْ عَمَلاً فَأَرَادَ اللَّهُ بِهِ خَيْرًا جَعَلَ لَهُ وَزِيرًا صَالِحًا إِنْ نَسِيَ ذَكَّرَهُ وَإِنْ ذَكَرَ أَعَانَهُ " .
sunnah.com