MP4 : Unless the sprit of Hazrat Mahdi (as) prevails, all union are dead, for the system of Hazrat Mahdi (as) is the soul that revives the body.FLV : Unless the sprit of Hazrat Mahdi (as) prevails, all union are dead, for the system of Hazrat Mahdi (as) is the soul that revives the body.MP4 FOR IPOD (edge) : Unless the sprit of Hazrat Mahdi (as) prevails, all union are dead, for the system of Hazrat Mahdi (as) is the soul that revives the body.MP3 : Unless the sprit of Hazrat Mahdi (as) prevails, all union are dead, for the system of Hazrat Mahdi (as) is the soul that revives the body.