The entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks.

There’s no point in believing in things that exist.

Million-to-one chances...crop up nine times out of ten.

And no practical definition of freedom would be complete without the freedom to take the consequences. Indeed, it is the freedom upon which all the others are based.

Don't you understand?" snarled Rincewind. "We are going over the Edge, godsdammit!" "Can't we do anything about it?" "No!" "Then I can't see the sense in panicking," said Twoflower calmly.

There was once a caustic comment from someone suggesting I was breeding a new race. Fans from different countries have married, amazing things like that. I've been to some of the weddings. I went to one here the other day, a pagan ceremony.

The most prudent thing any intelligent animal can do, if it would prefer its descendents not to spend a lot of time on a slab with electrodes clamped to their brains or sticking mines on the bottom of ships, or being patronised by zoologists, is to make bloody certain humans don't find out about it.