Shahih Muslim · #4850
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا ابْنُ فُضَيْلٍ، وَابْنُ، إِدْرِيسَ عَنْ حُصَيْنٍ، عَنِ الشَّعْبِيِّ، عَنْ عُرْوَةَ الْبَارِقِيِّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْخَيْرُ مَعْقُوصٌ بِنَوَاصِي الْخَيْلِ " . قَالَ فَقِيلَ لَهُ يَا رَسُولَ اللَّهِ بِمَ ذَاكَ قَالَ " الأَجْرُ وَالْمَغْنَمُ إِلَى يَوْمِ الْقِيَامَةِ " .
English
Urwat al-Bariqi reported Allah's Messenger (ﷺ) having said this:Good is tied to the forelock of the horses. It Was said to him: Messenger of Allah, why is it so? He (the Prophet said): For reward and booty until the Day of Judgment