Preparing Equipment for Jihad - Section 2 Mishkat al-Masabih 3879
Arabic hadith text
وَعَنِ ابْنِ عَبَّاسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «يُمْنُ الْخَيْلِ فِي الشُّقْرِ» . رَوَاهُ الترمذيُّ وَأَبُو دَاوُد
Translation
Ibn ‘Abbas reported God's Messenger as saying, “The most favored horses are the sorrel.” Tirmidhi and Abu Dawud transmitted it.