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.

I will never probably have the mathematical foundation to truly understand what string theorists are talking about, but it feels good, just for its own sake, to get as close to an understanding as you can.

For a successful writer, the secret is to have many irons in the fire. Write the next thing.

When a new writer comes onto a project, he'll make wholesale changes just to mark the territory or for greater credit.

The multiverse as a real physical construct within physics overlapping with a more mystical understanding of many possible worlds - the notion of there being a root down at the quantum level between intention and reality, between consciousness and existence - it's not a matter of trying to explain the mystery of magic away with a pat mechanism of a pseudoscience, it's just a matter of trying to ground it in a domain.

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

The reality of space travel I think is somewhere in the middle. We will get there, it will be hard, it will take a long time, and in the end, the most extraordinary thing we will find when we get there will be ourselves.