One day I'll be dead and THEN you'll all be sorry.

However, you do need rules. Driving on the left (or the right or, in parts of Europe, on the left and the right as the mood takes you) is a rule which works, since following it means you're more likely to reach your intended rather than your final destination.

Vimes struggled to his feet, shook his head and set off after it. No thought was involved. It is the ancient instinct of terriers and policemen to chase anything that runs away.

And when the Patrician was unhappy, he became very democratic. He found intricate and painful ways of spreading that unhappiness as far as possible.

One day I'll be dead and THEN you'll all be sorry.

It is always useful to face an enemy who is prepared to die for his country," he read. "This means that both you and he have exactly the same aim in 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.