Reed Hastings

But as an entrepreneur you have to feel like you can jump out of an aeroplane because you're confident that you'll catch a bird flying by. It's an act of stupidity, and most entrepreneurs go splat because the bird doesn't come by, but a few times it does.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.

Though builders may build, in the main they follow the plans of architects. Teachers teach, but they must have a text. Politicians govern, but only upon the flow of commentary that raises them up or casts them down.