All things make sense; you just have to fathom how they make sense.

Being terrified but going ahead and doing what must be done—that's courage. The one who feels no fear is a fool, and the one who lets fear rule him is a coward.

When one person makes an accusation, check to be sure he himself is not the guilty one. Sometimes it is those whose case is weak who make the most clamour.

When you steal from the library, you are preventing anyone else from reading that book, and the very notion makes me want to drop you in the Void.

One day you'll discover that the opinions of worthless people are worthless.

Happy children do not seem to grow up to be writers.

Information is power. --Humfrey

But one must go where one's road leads, even when it's a distressing road.

SF is the literature of the theoretically possible, and F is the literature of the impossible.

Obviously it could be, because it was.

For our stories are not yet finished, and perhaps will never be.

He who is flexible masters the day.

I just got tired of being overweight and unfit, so I changed my diet from hamburgers to yogurt and muesli, and it seems to work.

The American Cancer Society has done the American public a really great disservice.

Tell me that you refuse to allow me to be so stupid. Tell me that you will not tolerate this relationship being over just when it was on the verge of really taking off.

••When I walk across my living room from my chimney to my window, it takes me 10 seconds, but for a bird it takes one second, and for oxygen zero seconds!

Ambition is only vanity ennobled.

The whole force-field of Light rests on unity

I hate those people who say 'I don't own a television' - I own one and I watch it whenever I can.

Why obliterate the exceptional merely in order to make the outstanding look finer than it was?

There is a certain power when old and young come together - we can do more together than we can on our own.