And what is it in us that is mellowed by civilization? All it does, I'd say, is to develop in man a capacity to feel a greater variety of sensations. And nothing, absolutely nothing else. And through this development, man will yet learn how to enjoy bloodshed. Why, it has already happened.... Civilization has made man, if not always more bloodthirsty, at least more viciously, more horribly bloodthirsty.
Part 1, Chapter 7 (page 23) - Notes from Underground (1864)