I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it. The wilder and more ridiculous something is, however, the firmer and more solid the evidence will have to be.

It seems to me that God is a convenient invention of the human mind

It is not only the living who are killed in war.

Inspect every piece of pseudoscience and you will find a security blanket.

The world of A.D. 2014 will have few routine jobs that cannot be done better by some machine than by any human being. Mankind will therefore have become largely a race of machine tenders.

Unfortunately, in many cases, people who write science fiction violate the laws of nature, not because they want to make a point, but because they don't know what the laws of nature are.

And in man is a three-pound brain which, as far as we know, is the most complex and orderly arrangement of matter in the universe.