We always do what's natural, only sometimes we shouldn't do it..

I'm not much interested in extrapolating science and technology; I merely use extrapolation as a means of putting people into new quandaries which pr….

Don't ask the world to stop moving because you have doubts..

It's been suggested that most women fail to write significantly because the female mind is viscerotonic, and occupied almost exclusively with the mom….

Gully Foyle is my name And Terra is my nation Deep space is my dwelling place The stars my destination.

The man who gives his own decisions priority over society is a criminal..

Faith in faith' he answered himself. 'It isn't necessary to have something to believe in. It's only necessary to believe that somewhere there's somet….

The mind is the reality. You are what you think..

Millions for nonsense, but not one cent for entropy..

"There's got to be more to life than just living," Foyle said to the robot. "Then find it for yourself, sir. Don't ask the world to stop moving becau….

Be grateful that you only see the outward man. Be grateful that you never see the passions, the hatreds, the jealousies, the malice, the sicknesses..….

I'm a great believer in people and their untapped potential..

The whole point of extravagance is to act like a fool and feel like a fool, but enjoy it..

I challenge you, me. Die or live and be great..

That's me," he said, motioning to the robot. "That's all of us. We prattle about free will, but we're nothing but response...mechanical reaction in p….

This was an age of extremes, a fascinating century of freaks... but nobody loved it..

The appeal of science fiction has always been its iconoclasm . . . But in order to be an iconoclast, an author must be more than merely aware of the ….

This was a Golden Age, a time of high adventure, rich living and hard dying... but nobody thought so. This was a future of fortune and theft, pillage….

One of the things that everybody knows about space travel but never mentions is its aphrodisiac quality..

Tenser, said the Tensor. Tension, apprehension, and dissension have begun..

Intellect is the ability to avoid belaboring the obvious..