The consensus seemed to be that if really large numbers of men were sent to storm the mountain, then enough might survive the rocks to take the citadel. This is essentially the basis of all military thinking.

For the first time in her life Granny wondered whether there might be something important in all these books people were setting store by these days, although she was opposed to books on strict moral grounds, since she had heard that many of them were written by dead people and therefore it stood to reason reading them would be as bad as necromancy. Among the many things in the infinitely varied universe with which Granny did not hold was talking to dead people, who by all accounts had enough troubles of their own.

A number of religions in Ankh-Morpork still practiced human sacrifice, except that they didn't really need to practice any more because they had got so good at it.

In an instant he became aware that the tourist was about to try his own peculiar brand of linguistics, which meant that he would speak loudly and slowly in his own language.

The Battle of Koom Valley is the only one known to history where both sides ambushed each other.

The brain works fast when it thinks it’s about to be cut in half.

The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.