He was like me - a kindred spirit crazy enough to keep on trying.

In my years, I have seen that people must be their own gods and make their own good fortune. The bad will come or not come anyway.

The differences you perceive between Humans-between groups of Humans-are the result of isolation and inbreeding, mutation, and adaptation to different Earth environments

We're all capable of climbing so much higher than we usually permit ourselves to suppose.

Fantasy is totally wide open; all you really have to do is follow the rules you've set. But if you're writing about science, you have to first learn what you're writing about.

First forget inspiration. Habit is more dependable. Habit will sustain you whether you're inspired or not. Habit will help you finish and polish your stories. Inspiration won't. Habit is persistence in practice.

I have this theory that anything that happens to you that leaves you alive and intact can be used somewhere in your writing.