The fundamentalists deny that evolution has taken place; they deny that the earth and the universe as a whole are more than a few thousand years old,….

I do not fear computers. I fear the lack of them..

I never considered myself a patriot. I like to think I recognize only humanity as my nation..

No one can possibly have lived through the Great Depression without being scarred by it. No amount of experience since the depression can convince so….

A good question is, of course, the key by which infinite answers can be educed..

I stand four-square for reason, and object to what seems to me to be irrationality, whatever the source. If you are on my side in this, I must warn y….

I made up my mind long ago to follow one cardinal rule in all my writing — to be clear..

Why is it, I wonder, that anyone who displays superior athletic ability is an object of admiration to his classmates, while one who displays superior….

The energy requirements for interstellar travel are so great that it is inconceivable to me that any creatures piloting their ships across the vast d….

Congratulations on the new library, because it isn't just a library. It is a space ship that will take you to the farthest reaches of the Universe, a….

However much the creationist leaders might hammer away at their scientific and philosophical points, they would be helpless and a laughing-stock if t….

If you were to insist I was a robot, you might not consider me capable of love in some mystic human sense, but you would not be able to distinguish m….

In all the known history of Mankind, advances have been made primarily in physical technology; in the capacity of handling the inanimate world about ….

What would you consider a good job?" Answered as follows: "A good job is one in which I don't have to work, and get paid a lot of money." When I hear….

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 muc….

The world in general disapproves of creativity, and to be creative in public is particularly bad. Even to speculate in public is rather worrisome..

Love life seems to be that factor which requires the largest quantity of magical tinkering..

I don't believe in personal immortality; the only way I expect to have some version of such a thing is through my books..

Intelligence is a valuable thing, but it is not usually the key to survival. Sheer fecundity ... usually counts. The intelligent gorilla doesn't do a….

The downtrodden are more religious than the satisfied..

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