"It all began when... they're funny, those words. Everyone uses them, without thinking what they mean. When does anything begin? With everyone it begins when you're born. Or before that, when your parents got married. Or before that, when your parents were born. Or when your ancestors colonised the place. Or when humans came squishing out of the mud and slime, dropped off their flippers and fins, and started to walk. But all the same, all that aside, for what's happened to us there was quite a definite beginning"