Everything is theoretically impossible, until it is done.

When the need arises - and it does - you must be able to shoot your own dog. Don't farm it out — that doesn't make it nicer, it makes it worse.

I came, I saw, she conquered." The original Latin seems to have been garbled.

The truth of a proposition has nothing to do with its credibility. And vice versa.

Take care of the cojones and the frijoles will take care of themselves. Try to have getaway money - but don't be fanatic about it.

I think that science fiction has a distinct therapeutic value because all of it has as its primary postulate that the world does change. I cannot overemphasize the importance of that idea.

Never underestimate the power of human stupidity.