The nature of man remains ever the same: in the ten thousandth year of the World he will be born with passions, as he was born with passions in the two thousandth, and ran through his course of follies to a late, imperfect, useless wisdom. We wander in a labyrinth, in which our lives occupy but a span; so that it is to us nearly a matter of indifference, whether there be any entrance or outlet to the intricate path.

Ideen zur Philosophie der Geschichte der Menschheit (1784-91)