" Logic and morality made it impossible to accept an illogical and immoral reality; they engendered a rejection of reality which as a rule led the cultivated man rapidly to despair. But the varieties of the man-animal are innumerable, and I saw and have described men of refined culture, especially if young, throw all this overboard, simplify and barbarize themselves, and survive. A simple man, accustomed not to ask questions of himself, was beyond the reach of the useless torment of asking himself why.

The harsher the oppression, the more widespread among the oppressed is the willingness, with all its infinite nuances and motivations, to collaborate: terror, ideological seduction, servile imitation of the victor, myopic desire for any power whatsoever… Certainly, the greatest responsibility lies with the system, the very structure of the totalitarian state; the concurrent guilt on the part of individual big and small collaborators is always difficult to evaluate… they are the vectors and instruments of the system’s guilt… the room for choices (especially moral choices) was reduced to zero "

― Primo Levi , The Drowned and the Saved