It is narrated from an Ansari companion (may Allah be pleased with him) that once the Noble Prophet (peace and blessings be upon him) went to visit a man who had been wounded. The Noble Prophet (peace and blessings be upon him) said, "Call the physician of such-and-such tribe and show him to him." The people called him, and he came. The people said, "O Messenger of Allah! Can treatment benefit him at all?" The Noble Prophet (peace and blessings be upon him) said, "Glory be to Allah! Allah has not sent down any disease on the earth without also sending its cure."