But of course, what the eagle does not realize is that it is participating in a very crude form of natural selection.One day a tortoise will learn how to fly.

We have been so successful in the past century at the art of living longer and staying alive that we have forgotten how to die. Too often we learn the hard way. As soon as the baby boomers pass pensionable age, their lesson will be harsher still.

Even if it's not your fault, it's your responsibility.

The bravest person I've ever met was a young boy going through massive amounts of treatment for a very rare, complex and unpleasant disease. I last saw him at a Discworld convention, where he chose to take part in a game as an assassin. He died not long afterwards, and I wish I had his fortitude and sense of style.

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.

Cake is not the issue here.

They felt, in fact, tremendously bucked-up, which was how Lady Ramkin would almost certainly have put it and which was definitely several letters of the alphabet away from how they normally felt.