You no longer have much in the way of knowing what to do in a big, epic novel about the future, because nobody knows what the hell is going to happen.
Jerry PournelleWe juggle priceless eggs in variable gravity. I am afraid. I will taste fear until I die.
Jerry PournelleI am sure it has been done with less, but you should be prepared to write and throw away a million words of finished material. By finished, I mean completed, done, ready to submit, and written as well as you know how at the time you wrote it. You may be ashamed of it later, but that's another story.
Jerry Pournelle