There is much unexplained in the world. It behooves us to be wary at all times. Just when you think you've got the hang of it, along comes string theory, collateralized debt obligations or Björk's new album, and bam! You're as confused as you were when you first started.

Without a yardstick sometimes the high points can be taken for granted.

I work very much on the principle that anything created by mankind has mischief and error hardwired into its inception.

Whenever I'm giving talks, I always ask people to think of the most obscure questions because I enjoy those the most. I always get the same questions: Why does Pickwick say "plock" and will there be a movie? I like the really obscure questions because there's so much in the books. There are tons and tons of references and I like when people get the little ones and ask me about them. It's good for the audience [and also] they realize there's more there.

Don't move," said Sprockett."Mimes don't generally attack unless they are threatened.

Do you really think you'd win a PR war against a bunch of committed librarians?' He thought about this, but he knew I was right. The libraries were a treasured institution and so central to everyday life that government and commerce rarely did anything that might upset them.Some say they were more powerful than the military, or, if not, they were certainly quieter. As they say: Don't mess with librarians. Only they use a stronger word than 'mess'.

The industrial age had only just begun; the planet had reached its Best Before date.