When much is taken, something is returned.

Lord Vetinari lifted an eyebrow with the care of one who, having found a piece of caterpillar in his salad, raises the rest of the lettuce.

See a pin and pick it up, and, all day long, you'll have a pin.

This wasn't food - it was what food became if it had been good and gone to food heaven.

What was supposed to be so special about a full moon? It was only a big circle of light. And the dark of the moon was only darkness. But halfway between the two, when the moon was between the worlds of light and dark, when even the moon lived on the edge...maybe then a witch could believe in the moon.

The world is a globe — the farther you sail, the closer to home you are.

In ancient times cats were worshiped as gods; they have not forgotten this.