Bypasses are devices that allow some people to dash from point A to point B very fast while other people dash from point B to point A very fast.

I've come up with a set of rules that describe our reactions to technologies: 1. Anything that is in the world when you’re born is normal and ordinary and is just a natural part of the way the world works. 2. Anything that's invented between when you’re fifteen and thirty-five is new and exciting and revolutionary and you can probably get a career in it. 3. Anything invented after you're thirty-five is against the natural order of things.

I am terribly proud of-I was born in Cambridge in 1952 and my initials are DNA!

Fifteen years was a long time to be stranded anywhere, particularly somewhere as mind-boggingly dull as Earth.

I have detected disturbances in the wash.' 'The wash?' 'The space-time wash.' 'Are we talking about some sort of Vogon laundromat, or what are we talking about?' 'Eddies in the space-time continuum.' 'Ah...is he. Is he.' 'What?' 'Er, who is Eddy, then, exactly?

It startled him even more when just after he was awarded the Galactic Institute's Prize for Extreme Cleverness he got lynched by a rampaging mob of respectable physicists who had finally realized that the one thing they really couldn't stand was a smart-ass.

It is a rare mind indeed that can render the hitherto non-existent blindingly obvious. The cry 'I could have thought of that' is a very popular and misleading one, for the fact is that they didn't, and a very significant and revealing fact it is too.