Things have no power that humans don't put there.

The stories never said why she was wicked. It was enough to be an old woman, enough to be all alone, enough to look strange because you have no teeth. It was enough to be called a witch. If it came to that, the book never gave you the evidence of anything. It talked about "a handsome prince"... was he really, or was it just because he was a prince that people called handsome? As for "a girl who was as beautiful as the day was long"... well, which day? In midwinter it hardly ever got light! The stories don't want you to think, they just wanted you to believe what you were told.

Winston Churchill said 'In war time, truth is so precious that she should always be attended by a bodyguard of lies'. Any book called The Truth should therefore have one.

They called themselves the Munrungs. It meant The People, or The True Human Beings. It's what most people call themselves, to begin with. And then one day the tribe meets some other People or, if it's not been a good day, The Enemy. If only they'd think up a name like Some More True Human Beings, it'd save a lot of trouble later on

Jeremy tried to be an interesting person. The trouble was that he was the kind of person who, having decided to be an interesting person, would first of all try to find a book called How to Be An Interesting Person and then see whether there were any courses available.

There's a saying that all roads lead to Ankh-Morpork. And it's wrong. All roads lead away from Ankh-Morpork, but sometimes people just walk along them the wrong way.

Have a bit more patience with newbies. Of course some of them act dumb - they're often students, for heaven's sake.