Abdullah bin Umar (may Allah be pleased with them both) narrates that one of his horses ran away and the enemy captured it. When the Muslims prevailed over them, it was returned to him during the time of the Messenger of Allah (peace and blessings be upon him). And one of his slaves ran away and joined the Romans. When the Muslims prevailed over them, after the Prophet (peace and blessings be upon him), Khalid bin Walid (may Allah be pleased with him) returned the slave to him.