Someone telling you they have a unbeatable system for Behavioral Science is like them telling you they have an unbeatable system for Roulette.

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"I bury those cockroaches." -Tony Montana, Scarface

"We know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns -- the ones we don't know we don't know." -Donald Rumsfeld