" Speaking through one of his characters in the novel Foucault’s Pendulum, Umberto Eco makes the following alltoo-true observation: “For him, everything proves everything else. The Lunatic is all idée fixé, and whatever he comes across confirms his lunacy. You can tell him by the liberties he takes with common sense, by his flashes of inspiration, and by the fact that sooner or later he brings up the Templars. "

― Lon Milo DuQuette , The Key to Solomon's Key: Secrets of Magic and Masonry