Listen to The Devil's Greatest Trick Was Convincing the World He Didn't Exist online. The Devil's Greatest Trick Was Convincing the World He Didn't Exist is an English language song and is sung by No Quarter. The Devil's Greatest Trick Was Convincing the World He Didn't Exist, from the album Freedom, was released in the year 2017. The duration of the song is 4:01. Download English songs online from JioSaavn.