In the presence of total Darkness, the mind finds it absolutely necessary to create light..

Grip the nettle firmly and it will become a stick with which to beat your enemy..

During the century after Newton, it was still possible for a man of unusual attainments to master all fields of scientific knowledge. But by 1800, th….

The Iranians are Moslems and the Iraqi are Moslems. Both are certain that there is no God but Allah and that Mohammed is his prophet and believe it w….

And [Asimov]'ll sign anything, hardbacks, softbacks, other people's books, scraps of paper. Inevitably someone handed him a blank check on the occasi….

Democracy cannot survive overpopulation. Human dignity cannot survive it. Convenience and decency cannot survive it. As you put more and more people ….

So, then, what is style? There are two chief aspects of any piece of writing: 1) what you say and 2) how you say it. The former is "content" and the ….

Life would be impossible on such a planet. It wouldn't get enough heat and light, and if it rotated there would be total darkness half of every day. ….

A scientist is as weak and human as any man, but the pursuit of science may ennoble him even against his will..

If all human beings understood history, they might cease making the same stupid mistakes over and over..

Plate glass... has no beauty of its own. Ideally, you ought not to be able to see it at all, but through it you can see all that is happening outside….

Saying something is 'too bad' is easy. You say you disapprove, which makes you a nice person, and then you can go about your business and not be inte….

When I sit down at the typewriter, I write. Someone once asked me if I had a fixed routine before I start, like setting up exercises, sharpening penc….

Author's Notes: This story starts with section 6. This is not a mistake. I have my own subtle reasoning. So, just read, and enjoy..

An atom-blaster is a good weapon, but it can point both ways..

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..

One might accept death reasoningly, with every aspect of the conscious mind, but the body was a brute beast that knew nothing of reason..

I am not responsible for what other people think. I am responsible only for what I myself think, and I know what that is. No idea I've ever come up w….

Emotionally I am an atheist. I don't have the evidence to prove that God doesn't exist, but I so strongly suspect he doesn't that I don't want to was….

And it came to pass that AC learned how to reverse the direction of entropy. But there was now no man to whom AC might give the answer of the last qu….

Knowledge is indivisible. When people grow wise in one direction, they are sure to make it easier for themselves to grow wise in other directions as ….