Musannaf Ibn Abi Shaybah 31025 — Book of the Judgments

Muhammad bin Abi Dirar said that two men brought a dispute to the Prophet (peace and blessings be upon him), and he (peace and blessings be upon him) ruled against one of them. Muhammad bin Abi Dirar said: That man began to glare, as if he were rejecting the ruling of the Prophet (peace and blessings be upon him) and wanted the opposite. So the Prophet (peace and blessings be upon him) said: "I am only a human being; I give whatever ruling I consider appropriate. So if I have ruled in someone's favour concerning the right of his brother, he must not take that right."