Magic doesn’t work when you’re sad.

How could tickling, even though it causes laughter, be at the same time such a vicious form of torture?Sitting on the edge of my bed, I thought it through.I came to the conclusion, at last, that it was like this: Tickling and learning were much the same thing. When you tickle yourself—ecstasy; but when anyone else tickles you—agony.

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.