The basic science is not physics or mathematics but biology -- the study of life. We must learn to think both logically and bio-logically.

The majority of American writers today have chosen passive non-resistance to things as they are, producing sloughs of poetry about their personal angst and anomie, cascades of short stories and rivers of novels obsessed with the nuances of domestic relationships - suburban hanky-panky - chic boutique shopping mall literary soap opera. When they do speak out on matters of controversy they attack not the evils of our time but fellow writers who may insist on complaining.

There has never yet been a human society worthy of the name of civilization. Civilization remains a remote ideal.

My loyalties will not be bound by national borders, or confined in time by one nation's history, or limited in the spiritual dimension by one language and culture. I pledge my allegiance to the damned human race, and my everlasting love to the green hills of Earth, and my intimations of glory to the singing stars, to the very end of space and time.

An economic system which can only expand or expire must be false to all that is human.

Why must love always be accompanied--sooner or later--by sorrow and pain? Why not? Because pure bliss is for pure idiots.

Men love their ideas more than their lives. And the more preposterous the idea, the more eager they are to die for it. And to kill for it.