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

Man will do many things to get himself loved; he will do all things to get himself envied. – Mark Twain, Following the Equator, 1897

Modern man is the missing link between apes and human beings. – Author Unknown

I do not value any view of the universe into which man and the institutions of man enter very largely and absorb much of the attention. Man is but the place where I stand, and the prospect hence is infinite. – Henry David Thoreau, journal, 1852 April 2nd