Any sensible ruler would have killed off Leonard, and Lord Vetinari was extremely sensible and often wondered why he had not done so. He'd decided that it was because, imprisoned in the priceless, inquiring amber of Leonard's massive mind, underneath that bright investigative genius was a kind of willful innocence that might in lesser men be called stupidity. It was the seat and soul of that force which, down the millennia, had caused mankind to stick its fingers in the electric light socket of the Universe and play with the switch to see what happened - and then be very surprised when it did.

Do you think there’s anything to eat in this forest?” “Yes,” said the wizard bitterly, “us.

You can't go around building a better world for people. Only people can build a better world for people. Otherwise it's just a cage. Besides you don't build a better world by choppin' heads off and giving decent girls away to frogs.

And the people next door oppress me all night long. I tell them, I work all day, a man's got to have some time to learn to play the tuba. That's oppression, that is. If I'm not under the heel of the oppressor, I don't know who is.

The only thing more dangerous then a vampire crazed with blood lust was a vampire crazed with anything else. All the meticulous single-mindedness that went into finding young women who slept with their bedroom window open got channeled into some other interest, with merciless and painstaking efficiency.

People's whole lives do pass in front of their eye before they die. The process is called "Living".

Your whole life passes in front of your eyes before you die. This is called living.