It's about human imagination and curiosity. What's out there? What's in the great beyond? What exists at levels we can't see with our five senses?
James CameronSo much of literary sci-fi is about creating worlds that are rich and detailed and make sense at a social level. We'll create a world for people and then later present a narrative in that world.
James CameronIf you wait until the right time to have a child you'll die childless, and I think film making is very much the same thing. You just have to take the plunge and just start shooting something even if it's bad.
James Cameron