It's daft, locking us up," said Nanny. "I'd have had us killed.""That's because you're basically good," said Magrat. "The good are innocent and create justice. The bad are guilty, which is why they invent mercy.

Evil begins when you begin to treat people as things.

WHO KNOWS WHAT EVIL LURKS IN THE HEART OF MEN?The Death of Rats looked up from the feast of the potato. SQUEAK, he said.Death waved a hand dismissively. WELL, YES, OBVIOUSLY ME, he said. I JUST WONDERED IF THERE WAS ANYONE ELSE.

Hell wasn't a major reservoir of evil, any more then Heaven, in Crowley's opinion, was a fountain of goodness; they were just sides in the great cosmic chess game. Where you found the real McCoy, the real grace and the real heart-stopping evil, was right inside the human mind.

And that's when I first learned about evil. It is built in to the very nature of the universe. Every world spins in pain. If there is any kind of supreme being, I told myself, it is up to all of us to become his moral superior.

Rincewind stared, and knew that there were far worse things than Evil. All the demons in Hell would torture your very soul, but that was precisely because they valued souls very highly; evil would always try to steal the universe, but at least it considered the universe worth stealing. But the gray world behind those empty eyes would trample and destroy without even according its victims the dignity of hatred. It wouldn't even notice them.

When I was child they thought I was twins,' she said over one of her shoulders. 'And then... they thought I was evil,' she said over another shoulder.'Are you?' said Tiffany.Both of Miss Level turned round, looking shocked.'What kind of question is that to ask anyone?' she said.'Um... the obvious one?' said Tiffany. 'I mean, if they said "Yes I am! Mwahahaha!", that would save a lot of trouble, wouldn't it?

Evil in general does not sleep, and therefore doesn't see why anyone else should.

The flip side of the coin of which Good and Evil are but one side.