Humanity has the stars in its future, and that future is too important to be lost under the burden of juvenile folly and ignorant superstition.
I do not fear computers. I fear the lack of them.
Part of the inhumanity of the computer is that, once it is competently programmed and working smoothly, it is completely honest.
He had read much, if one considers his long life; but his contemplation was much more than his reading. He was wont to say that if he had read as much as other men he should have known no more than other men.
It is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.
Individual science fiction stories may seem as trivial as ever to the blinder critics and philosophers of today - but the core of science fiction, its essence has become crucial to our salvation if we are to be saved at all.
There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that my ignorance is just as good as your knowledge.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
All sorts of computer errors are now turning up. You'd be surprised to know the number of doctors who claim they are treating pregnant men.
Writing, to me, is simply thinking through my fingers.
A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.
I don't believe in personal immortality; the only way I expect to have some version of such a thing is through my books.
Violence is the last refuge of the incompetent.
I don't expect to live forever, but I do intend to hang on as long as possible.
Meanwhile, fears of universal disaster sank to an all time low over the world.
Never let your sense of morals get in the way of doing what's right.
And above all things, never think that you're not good enough yourself. A man should never think that. My belief is that in life people will take you at your own reckoning.
It pays to be obvious, especially if you have a reputation for subtlety.
I am not a speed reader. I am a speed understander.
No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.