Man is the only animal for whom his own existence is a problem which he has to solve. – Erich Fromm, Man for Himself, 1947
Man desired concord; but nature knows better what is good for his species; she desires discord. Man wants to live easy and content; but nature compels him to leave ease… and throw himself into roils and labors. – Immanuel Kant, Idea for a Universal History with a Cosmopolitan Purpose, 1787