[T]he revolt of the Kshatriyas prepares the way for that of the Vaishyas and the Shūdras; and so, from one stage to another, we descend at last to the lowest kind of utilitarianism, the negation of all disinterested knowledge (even of the lowest rank) and of all reality beyond the perceptible domain. This is precisely what one witnesses in our own time, where the Western world has nearly arrived at the final stage of this descent which, like the fall of heavy bodies, keeps accelerating.