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.

Flattery is useful when dealing with youngsters.

This idea [standardized time zones] was first advanced and fought for by Sandford Fleming of Canada and Charles F. Dowd of the United States. I mention them chiefly because like so many benefactors of mankind they have been rewarded by total obscurity.

I write for the same reason I breathe - because if I didn't, I would die.

The Earth should not be cut up into hundreds of different sections, each inhabited by a self-defined segment of humanity that considers its own welfare and its own "national security" to be paramount above all other consideration.

There is a single light of science, and to brighten it anywhere is to brighten it everywhere.

I'm not a speed reader. I'm a speed understander.