Experience as well as common sense indicated that the most reliable method of avoiding self-extinction was not to equip oneself with the means to accomplish it in the first place.

By the usual reckoning, the worst books make the best films.

I wouldn't like to be a character in one of my books!

Most people are not prepared to have their minds changed, and I think they know in their hearts that other people are just the same, and one of the reasons people become angry when they argue is that they realize just that, as they trot out their excuses.

You need to read more science fiction. Nobody who reads science fiction comes out with this crap about the end of history

In theory, I work an eight-hour day and a five-day week which means I can socialise with my pals who mostly have normal jobs like teaching and computer programming.

Perdition awaits at the end of a road constructed entirely from good intentions, the devil emerges from the details and hell abides in the small print.