And the German society of eighty million people had been shielded against reality and factuality by exactly the same means, the same self-deception, lies, and stupidity that had now become engrained in Eichmann's mentality. These lies changed from year to year, and they frequently contradicted each other; moreover, they were not necessarily the same for the various branches of the Party hierarchy or the people at large. But the practice of self-deception had become so common, almost a moral prerequisite for survival, that even now, eighteen years after the collapse of the Nazi regime, when most of the specific content of its lies has been forgotten, it is sometimes difficult not to believe that mendacity has become an integral part of the German national character.

Eichmann in Jerusalem: A Report on the Banality of Evil