If you remember nothing else, remember this: Inspiration from outside one's self is like the heat in an oven. It makes passable Bath buns. But inspiration from within is like a volcano: It changes the face of the world.
I am often thought of as being remarkably bright, and yet my brains, more often than not, are busily devising new and interesting ways of bringing my enemies to sudden, gagging, writhing, agonizing death.
Whenever I'm out-of-doors and find myself wanting to have a first-rate think, I fling myself down on my back, throw my arms and legs out so that I look like an asterisk, and gaze at the sky.
My grandmother flew only once in her life, and that was the day she and her new husband ascended into the skies of Victorian London in the wicker basket of a hot-air balloon. They were soon to emigrate to Canada, and the aerial ride was meant to be a last view of their beloved England.