The most dangerous thing you can do is know who you are.

I want to feel all there is to feel, he thought. Let me feel tired, now, let me feel tired. I mustn't forget, I'm alive, I know I'm alive, I mustn't forget it tonight or tomorrow or the day after that.

When your dawn theater sounds to clear your sinuses: don't delay. Jump. Those voices may be gone before you hit the shower to align your wits. Speed is everything. The 90-mph dash to your machine is a sure cure for life rampant and death most real. Make haste to live. Oh, God, yes. Live. And write. With great haste.

It could reach up and grab the moon.

You can make yourself happy or miserable - it's the same amount of effort.

Your mind's always juggling, isn't it?-mirrors, torches, plates.

I define science fiction as the art of the possible. Fantasy is the art of the impossible.