There's one thing you can say for air pollution, you get utterly amazing sunrises.

People look down on stuff like geography and meteorology, and not only because they're standing on one and being soaked by the other. They don't look quite like real science. But geography is only physics slowed down and with a few trees stuck on it, and meteorology is full of excitingly fashionable chaos and complexity. And summer isn't a time. It's a place as well. Summer is a moving creature and likes to go south for the winter.

Pets are always a great help in times of stress. And in times of starvation too, o'course.

It was octarine, the colour of magic. It was alive and glowing and vibrant and it was the undisputed pigment of the imagination, because wherever it appeared it was a sign that mere matter was a servant of the powers of the magical mind. It was enchantment itself. But Rincewind always thought it looked a sort of greenish-purple.

And Sam Vimes thought: Why is Young Sam's nursery full of farmyard animals anyway? Why are his books full of moo-cows and baa-lambs? He is growing up in the city. He will only see them on a plate! They go sizzle!

Nanny's philosophy of life was to do what seemed like a good idea at the time, and do it as hard as possible. It had never let her down.

It's vital to remember who you really are. It's very important. It isn't a good idea to rely on other people or things to do it for you, you see. They always get it wrong.