Sayyiduna Urwah (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) said: "Goodness is tied to the forelocks of horses until the Day of Resurrection." It was said: "O Messenger of Allah! What is that?" He (peace and blessings be upon him) said: "Reward and spoils of war."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14471