Speech sounds can be analyzed into fundamental units called phonemes; these move around like protozoa in a drop of water, and, like protozoa, join to….

It does not pay a prophet to be too specific..

The story of civilization is, in a sense, the story of engineering-that long and arduous struggle to make the forces of nature work for man's good..

Therefore, no matter how the world makes out in the next few centuries, a large class of readers at least will not be too surprised at anything. They….

There is no mistaking the dismay on the face of a writer who has just heard that his brain child is a deformed idiot..

In writing a series of stories about the same characters, plan the whole series in advance in some detail, to avoid contradictions and inconsistencie….