" The options suited the two men’s personalities: They never had to be sure of anything. Both were predisposed to feel that people, and by extension markets, were too certain about inherently uncertain things. Both sensed that people, and by extension markets, had difficulty attaching the appropriate probabilities to highly improbable events. Both had trouble generating conviction of their own but no trouble at all reacting to what they viewed as the false conviction of others. "

― Michael Lewis , The Big Short: Inside the Doomsday Machine