أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ أَبِي الْخَيْرِ، عَنِ ابْنِ زُرَيْرٍ، عَنْ عَلِيِّ بْنِ أَبِي طَالِبٍ، رضى الله عنه قَالَ أُهْدِيَتْ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم بَغْلَةٌ فَرَكِبَهَا فَقَالَ عَلِيٌّ لَوْ حَمَلْنَا الْحَمِيرَ عَلَى الْخَيْلِ لَكَانَتْ لَنَا مِثْلَ هَذِهِ . قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّمَا يَفْعَلُ ذَلِكَ الَّذِينَ لاَ يَعْلَمُونَ " .
It was narrated that Ali bin Abi Talib, may Allah be pleased with him, said: "A mule was given as a gift to the Messenger of Allah and he rode it." 'Ali said: "If we mate a donkey with a horse, we will have one like this." The Messenger of Allah said: "That is only done by those who do not know." Translation Not Available
Book Ref: Sunan An Nisai Book 28 Hadith 3580
Web Ref: Sunan An Nisai Vol 4 Book 28 Hadith 3610