The lunatic is all idée fixe, 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.
Umberto EcoIf two things don't fit, but you believe both of them, thinking that somewhere, hidden, there must be a third thing that connects them, that's credulity.
Umberto EcoI was the type who looked at discussions of What Is Truth only with a view toward correcting the manuscript. If you were to quote "I am that I am," for example, I thought that the fundamental problem was where to put the comma, inside the quotation marks or outside.
Umberto Eco