Write regularly, day in and day out, at whatever times of day you find that you write best. Don't wait till you feel that you are in the mood. Write, whether you are feeling inclined to write or not.

It is a paradoxical but profoundly true and important principle of life that the most likely way to reach a goal is to be aiming not at that goal itself but at some more ambitious goal beyond it.

The last stage but one of every civilisation, is characterised by the forced political unification of its constituent parts, into a single greater whole.

We have been God-like in our planned breeding of our domesticated plants and animals, but we have been rabbit-like in our unplanned breeding of ourselves.

As human beings, we are endowed with freedom of choice, and we cannot shuffle off our responsibility upon the shoulders of God or nature. We must shoulder it ourselves. It is our responsibility.

The human race's prospects of survival were considerably better when we were defenceless against tigers than they are today when we have become defenceless against ourselves.

America is a large friendly dog in a small room. Every time it wags its tail it knocks over a chair.