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.

Please don't invent a debt that does not exist, or next you will be trying to feel gratitude - and that is the treacherous first step toward complete moral degradation.

Under our system every voter and officeholder is a man who has demonstrated through voluntary and difficult service that he places the welfare of the group ahead of personal advantage.

Butterflies are not insects,' Captain John Sterling said soberly. 'They are self-propelled flowers.

We came here for a small, informal meeting. We find you've turned it into a circus. Well, if you're going to have a circus, you've got to have elephants.

Coffee comes in five descending stages: Coffee, Java, Jamoke, Joe, and Carbon Remover.

when faced with a problem you do not understand, do any part of it you do understand, then look at it again.