We've let too much time go by. We've been busy with war instead of being busy with peace. And that's what space travel is all about. It's all about peace and exploration and wonder and beauty.

How working for the wrong motives poisons our creativity and warps our ideas of success and failure.

There are too many of us, he thought. There are billions of us and that's too many. Nobody knows anyone. Strangers come and violate you. Strangers come and cut your heart out. Strangers come and take your blood. Good God, who were those men? I never saw them before in my life!

Any carefully planned thing destroys the creativity. You can't think your way through a story; you have to live it. So, you don't build a story; you allow it to explode.

I started writing every day. I never stopped.

Writing is not a serious business. It’s a joy and a celebration. You should be having fun with it.

Most of my short stories are fantasy.