From Hannah Arendt

“For a considerable length of time the normality of the normal world is the most efficient protection against disclosure of totalitarian mass crimes,” Hannah Arendt wrote in “The Origins of Totalitarianism.” “Normal men don’t know that everything is possible, refuse to believe their eyes and ears in the face of the monstrous. ... The reason why the totalitarian regimes can get so far toward realizing a fictitious, topsy-turvy world is that the outside non-totalitarian world, which always comprises a great part of the population of the totalitarian country itself, indulges in wishful thinking and shirks reality in the face of real insanity. ...”