Sayyiduna Urwah bin Abi al-Ja'd (may Allah be pleased with him) said: I heard the Messenger of Allah (peace and blessings be upon him) say: "Goodness is tied to the forelocks of horses until the Day of Resurrection, that is, reward and spoils of war."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14469