It is narrated from Sayyiduna Anas bin Malik, may Allah be pleased with him, who said: The Prophet, peace and blessings be upon him, was with one of his pure wives when a man passed by. The Prophet, peace and blessings be upon him, called him and said: "O so-and-so! This is my such-and-such wife." He said: "With whomever I may have suspicion, I could never have suspicion about you." The Prophet, peace and blessings be upon him, said: "Indeed, Satan circulates in the son of Adam like blood circulates."