Once you come up with a premise, you have to work out how it all happened. It's a bit like coming up with a spectacular roof design first. Before you can get it up there, you need to build a solid foundation and supporting structure.
“And the funny thing is, I've always been an optimist - it's practically a congenital disorder with me.”
“Man is a means and not an end, and he is a means to economic or political ends which are not really ends in themselves but means to other ends which in their turn are means and so ad infinitum.”