Once you've written a good script, it will get made or not get made, according to variables you cannot control, like stars getting interested, and the superstitions in Hollywood rising or falling around what is over and done with versus what's in.

The more you learn about the real vastness of space and the real challenges of space travel, the more completely you appreciate the necessity of taking very good care of this world and being good stewards of it.

Real space movies have to involve zero gravity and a world without up or down.

I'd wanted to be a writer since I was knee-high. Once I knew that books were written by people and didn't just happen, it was obviously that I would write them, too.

Directing offers you the hope that your vision will reach the screen, unmolested and intact. Therefore, it's tantalizing to all writers.

You want the mystical understanding of the cosmos to feel compatible with a scientific understanding of the cosmos, like it extends our understanding rather than unwriting it.

You don't control whether your movies get made. You can't. All you can control is whether your draft is great. So, you write your great draft, as best as you can, and then move on to the next thing.