You're insane!" "I won't argue that point.

In my later years I have looked in the mirror each day and found a happy person staring back. Occasionally I wonder why I can be so happy. The answer is that every day of my life I've worked only for myself and for the joy that comes from writing and creating. The image in my mirror is not optimistic, but the result of optimal behavior.

God, here and there, makes madness a calling.

We can't live alone in any society. But the best way to help a society or group, is to be the best individual in it that we can be.

Every day is Christmas Day to a dog.

Creativity is a continual surprise.

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