They called themselves the Munrungs. It meant The People, or The True Human Beings. It's what most people call themselves, to begin with. And then one day the tribe meets some other People or, if it's not been a good day, The Enemy. If only they'd think up a name like Some More True Human Beings, it'd save a lot of trouble later on

I'm not the world's greatest expert, but I would have thought that the wizards, witches, trolls, unicorns, ... broomsticks and spells would have given her a clue?' - when J.K. Rowling insisted she wasn't writing fantasy.

Inside every sane person there's a madman struggling to get out," said the shopkeeper. "That's what I've always thought. No one goes mad quicker than a totally sane person.

Look at Satan. Created as an angel, grows up to be the Great Adversary. Hey, if you’re going to go on about genetics, you might as well say the kid will grow up to be an angel. After all, his father was really big in Heaven in the old days. Saying he’ll grow up to be a demon just because his dad became one is like saying a mouse with its tail cut off will give birth to tailless mice. No. Upbringing is everything. Take it from me.

The people of Ankh-Morpork had a straightforward, no-nonsense approach to entertainment, and while they were looking forward to seeing a dragon slain, they'd be happy to settle instead for seeing someone being baked alive in his own armour. You didn't get the chance every day to see someone baked alive in their own armour. It would be something for the children to remember.

A weapon you held and didn't know how to use belonged to your enemy.

WHAT WOULD HAVE HAPPENED IF YOU HADN'T SAVED HIM? "Yes! The sun would have risen just the same, yes?" NO "Oh, come on. You can't expect me to believe that. It's an astronomical fact." THE SUN WOULD NOT HAVE RISEN. ... "Really? Then what would have happened, pray?" A MERE BALL OF FLAMING GAS WOULD HAVE ILLUMINATED THE WORLD.