The Messenger of Allah ﷺ said, "Goodness is tied to the forelocks of horses until the Day of Resurrection, and their owners are aided through them."
قال رسول الله ﷺ: الخيل معقود في نواصيها الخير إلى يوم القيامة، وأهلها معاونون عليها.
Tabarani related it in Kabir (20/431), Abu Awana (7285), and Bukhari in Tarikh al-Kabir (2/224), all of them through various routes from Ismail bin Saeed Jubayri, who said, "I heard my father, Saeed bin Ubaydullah, narrating from Ziyad bin Jubayr, from his father, who is Jubayr bin Mutim, from Mughira bin Shuba," and he mentioned it.Its isnad is hasan because of Ismail bin Saeed and his father, for both of them are hasan.