The Flame Deluge is a phrase used in the novel A Canticle For Leibowitz. The word 'deluge', or simply "the Deluge", is often used to refer to the biblical flood which Noah built his ark to withstand. In the novel, the Flame Deluge is used to refer to a nuclear war which killed much of humanity, rendered most of the world a wasteland and tainted everyone who survived. The lyrics to me seem like they're from the perspective of Leibowitz, who was a nuclear scientist
³²¹³²¹³²¹³²¹³²¹³²¹³²¹³²¹ ! everyone here is right!