As a result of reading science fiction when I was eight, I grew up with an interest in music, architecture, city planning, transportation, politics, ethics, aesthetics on any level, art...it's just total! It's a complete commitment to the whole human race on all the Earth. That's what science fiction is about.

This was all he wanted now. Some signs that the immense world would accept him and give him the long time he needed to think all the things that must be thought.

I'm numb and I'm tired. Too much has happened today. I feel as if I'd been out in a pounding rain for forty-eight hours without an umbrella or a coat. I'm soaked to the skin with emotion.

Everything is generated through your own will power.

Evil has only the power we give it.

The world doesn't give a damn about you unless you do something. Those are the rules; I didn't make them. If you are lazy, if you don't get the work that you love done, the world won't care if you die tomorrow and go into the grave and are gone and forgotten forever.

It's not going to do any good to land on Mars if we're stupid.