You haven't really been anywhere until you've got back home.

But the helmet had gold decoration, and the bespoke armorers had made a new gleaming breastplate with useless gold ornamentation on it. Sam Vimes felt like a class traitor every time he wore it. He hated being thought of as one of those people that wore stupid ornamental armor. It was gilt by association.

There should be a word for that brief period just after waking when the mind is full of warm pink nothing. You lie there entirely empty of thought, except for a growing suspicion that heading towards you, like a sockful of damp sand in a nocturnal alleyway, are all the recollections you'd really rather do without, and which amount to the fact that the only mitigating factor in your horrible future is the certainty that it will be quite short.

Bill Door was impressed. Miss Flitworth could actually give the word "revenue", which had two vowels and one diphthong, all the peremptoriness of the word "scum.

Genius is always allowed some leeway, once the hammer has been pried from its hands and the blood has been cleaned up.

Credulous: having views about the world, the universe and humanity's place in it that are shared only by very unsophisticated people and the most intelligent and advanced mathematicians and physicists.

Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it.