A generation which ignores history has no past — and no future.

Unarmed hand-to-hand fighting does not change through the ages; only the name changes, and it has only one rule: do it first, do it fast, do it dirtiest.

One should not attend even the end of the world without a good breakfast.

I think that science fiction has a distinct therapeutic value because all of it has as its primary postulate that the world does change. I cannot overemphasize the importance of that idea.

Democracy is a poor system of government at best; the only thing that can honestly be said in its favor is that it is eight times as good as any other method the human race has ever tried.

In terms of morals there is no such thing as ‘state.’ Just men. Individuals. Each responsible for his own acts.

In past history popularly elected governments have been no better and sometimes far worse than overt tyrannies.