My first duty to write a gripping yarn. Second is to convey credible characters who make you feel what they feel. Only third comes the idea.

The measure of (mental) health is flexibility (not comparison to some 'norm'), the freedom to learn from experience ... to be influenced by reasonable arguments ... and the appeal to the emotions ... and especially the freedom to cease when sated. The essence of illness is the freezing of behavior into unalterable and insatiable patterns.

Predicting has a spotty record in science fiction. I've had some failures. On the other hand, I also predicted the fall of the Berlin Wall and the rise of fundamentalist Islam... and I'm not happy to be right in all of those cases

One of the rules I try to follow is that normal people are going to be involved even in heroic events

...where were answers to the truly deep questions? Religion promised those, though always in vague terms, while retreating from one line in the sand to the next. Don't look past this boundary, they told Galileo, then Hutton, Darwin, Von Neumann, and Crick, always retreating with great dignity before the latest scientific advance, then drawing the next holy perimeter at the shadowy rim of knowledge.

Self-righteous people can talk themselves into forgetting they are part of a civilization. They can then feed on that culture, bringing it down. It's happened many times in the past. It could happen to us.

Indeed, the maligned American pastime of baseball may be by-far the greatest and best sport by one criterion, when it comes to emulating and training for genuinely useful Neolithic skills! Think about it. The game consists of lots of patient waiting and watching (stalking), throwing with incredible accuracy and speed, sprinting, dodging... and hitting moving objects real hard with clubs! And arguing. Hey, what else could you possibly need? Now, tell me, how do soccer or basketball prepare you to survive in the wild, hm?