حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الأَعْلَى الصَّنْعَانِيُّ، حَدَّثَنَا الْمُعْتَمِرُ بْنُ سُلَيْمَانَ، قَالَ سَمِعْتُ عَبْدَ الْمَلِكِ، يُحَدِّثُ عَنْ عَبْدِ اللَّهِ بْنِ مَوْهَبٍ، أَنَّ عُثْمَانَ، قَالَ لاِبْنِ عُمَرَ اذْهَبْ فَاقْضِ بَيْنَ النَّاسِ ‏.‏ قَالَ أَوَتُعَافِينِي يَا أَمِيرَ الْمُؤْمِنِينَ ‏.‏ قَالَ وَمَا تَكْرَهُ مِنْ ذَلِكَ وَقَدْ كَانَ أَبُوكَ يَقْضِي قَالَ إِنِّي سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ ‏"‏ مَنْ كَانَ قَاضِيًا فَقَضَى بِالْعَدْلِ فَبِالْحَرِيِّ أَنْ يَنْقَلِبَ مِنْهُ كَفَافًا ‏"‏ ‏.‏ فَمَا أَرْجُو بَعْدَ ذَلِكَ وَفِي الْحَدِيثِ قِصَّةٌ ‏.‏ وَفِي الْبَابِ عَنْ أَبِي هُرَيْرَةَ ‏.‏ قَالَ أَبُو عِيسَى حَدِيثُ ابْنِ عُمَرَ حَدِيثٌ غَرِيبٌ وَلَيْسَ إِسْنَادُهُ عِنْدِي بِمُتَّصِلٍ ‏.‏ وَعَبْدُ الْمَلِكِ الَّذِي رَوَى عَنْهُ الْمُعْتَمِرُ هَذَا هُوَ عَبْدُ الْمَلِكِ بْنُ أَبِي جَمِيلَةَ ‏.‏

'Abdullah bin Mawhab narrated that 'Uthman said to Ibn 'Umar: "Go and judge between the people." So he said: "Perhaps you can excuse me (from that) O Commander of the Believers!" He said: "Why do you have an aversion for that when your father judged?" He said: "I heard the Messenger of Allah saying: 'Whoever was a judge and judged with justice, it still would have been better for him to have turned away from it completely.' What do I want after that?'" (Daif). Translation Not Available

Book Ref: Jamiya Tirmidhi Book 15 Hadith 1322
Web Ref:  Jamiya Tirmidhi Vol 3 Book 13 Hadith 1322