Let us look away from the individual to the great war that is still devastating Europe. Think of the colossal brutality, cruelty, and mendacity which is now allowed to spread itself over the civilized world. Do you really believe that a handful of unprincipled place-hunters and corrupters of men would have succeeded in letting loose all this latent evil, if the millions of their followers were not also guilty? Will you venture, even in these circumstances, to break a lance for the exclusion of evil from the mental constitution of humanity? — Ninth Lecture, A General Introduction to Psychoanalysis