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.
Octavia ButlerNot everyone has been a bully or the victim of bullies, but everyone has seen bullying, and seeing it, has responded to it by joining in or objecting, by laughing or keeping silent, by feeling disgusted or feeling interested.
Octavia ButlerAnd I have this little litany of things they can do. And the first one, of course, is to write - every day, no excuses. It's so easy to make excuses. Even professional writers have days when they'd rather clean the toilet than do the writing.
Octavia Butler