Guards! Guards! (Discworld, #8)

by Terry Pratchett

‘They were myths and they were real,’ he said loudly. ‘Both a wave and a particle.’

In the night time streets of Ankh-Morpork caution is an absolute. There is no such thing as moderately cautious. You are either very cautious, or you are dead.

The reason that cliches become cliches is that they are the hammers and screwdrivers in the toolbox of communication.

There was practically nothing the dragon could do to people that they had not, sooner or later, tried on one another, often with enthusiasm.