Space and spacecraft and zero gravity and so forth are very difficult to render.

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

I never stopped loving the deeper sciences, and I read as deeply into lay science as I can.

I try to keep up, and the scientific perspective is always part of my creative approach.

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.

It is true that, with TV, a writer gets a great deal more respect.

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

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.

Making the right choices on the worlds we explore is going to be our biggest challenge.

I mean that much more than wiser beings from beyond the stars bringing us enlightenment or death or salvation, we are likely to find ourselves the wisest beings on the scene.

If you are ready for the secret, you already possess one half of it, therefore, you will readily recognize the other half the moment it reaches your mind.

selflessness is the only antidote to evil. It provides the light that destroys the dark.

You only have power over people so long as you don't take everything away from them. But when you've robbed a man of everything, he's no longer in your power - he's free again.

When you make a break for freedom you don't necessarily find company on the way.

Most middle-class people I know don't really live like me. Middle-class people worry a lot about money. They worry a lot about job security, and they do a lot of nine-to-five stuff.

I still get to preach 14, 15 times a year. But you have to make a living.

I won the only duel I ever lost.

I learned in an extremely hard way that the accountability falls with me.

Corruptissima re publica plurimae leges.

Have a vision and then create your own reality. Otherwise, someone else may create it for you.