One nonabsolute number is the given time of arrival, which is now known to be one of the most bizarre of mathematical concepts, a number whose existence can only be defined as being anything other than itself. In other words, the given time of arrival is the one moment of time at which it is impossible that any member of the party will arrive.

Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space.

Looking up into the night sky is looking into infinity — distance is incomprehensible and therefore meaningless

Mr L Prosser was, as they say, only human. In other words he was a carbon-based life form descended from an ape. More specifically he was forty, fat and shabby and worked for the local council. Curiously enough, though he didn't know it, he was also a direct male-line descendant of Genghis Khan, though intervening generations and racial mixing had so juggled his genes that he had no discernible Mongoloid characteristics, and the only vestiges left in Mr L Prosser of his mighty ancestry were a pronounced stoutness about the tum and a predilection for little fur hats.

A learning experience is one of those things that says, 'You know that thing you just did? Don't do that.

Grown men, he told himself, in flat contradiction of centuries of accumulated evidence about the way grown men behave, do not behave like this.

Listen, three eyes," he said, "don't you try to outweird me, I get stranger things than you free with my breakfast cereal.