I was attracted to science fiction because it was so wide open. I was able to do anything and there were no walls to hem you in and there was no human condition that you were stopped from examining. ↗
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. ↗
Here I was into astronomy, and here into anthropology, and there I go into geology. It was much more fun to be able to research and write about whatever I wanted to. ↗
Writing is one of the few professions in which you can psychoanalyse yourself, get rid of hostilities and frustrations in public, and get paid for it. ↗