My own life has been spent chronicling the rise and fall of human systems, and I am convinced that we are terribly vulnerable. ... We should be reluctant to turn back upon the frontier of this epoch. Space is indifferent to what we do; it has no fe

You may my glories and my state dispose, But not my griefs; still am I king of those.

It is better to have loved and lost

Facts do not cease to exist because they are ignored.

To use violence is to already be defeated.

Anyone can do any amount of work provided it isn't the work he is supposed to be doing at the moment.

A woman occasionally is quite a serviceable substitute for masturbation. It takes an abundance of imagination, to be sure.