Narrated from him, from Fadalah ibn Ayyub, from Mu'awiyah ibn Ammar, who said that Abu Abdillah عليه السلام, said: Imam عليه السلام said: "Indeed, Satan blows into the anus of a person until it seems to him that wind has exited, but his wudu (ablution) is not invalidated unless he hears the sound of the wind or detects its odor."