" And so now, today, one cannot think of the greats—Kant, Hegel, Spinoza, Marx, Fichte, Freud, Nietzsche, Einstein, Schopenhauer, Leibniz, Schelling—the whole Germanic sphere—without thinking, at some point, of Auschwitz and Treblinka, Sobibor and Dachau, Bergen-Belsen and Chelmno. My God, they have names, as if they were human. "

― Ken Wilber , One Taste