"Of all the [cat] toys available, none is better designed than the owner himself. A large multipurpose plaything, its parts can be made to move in almost any direction. It comes completely assembled, and it makes a noise when you jump on it."
"Cats make one of the most satisfying sounds in the world: they purr ...
A purring cat is a form of high praise, like a gold star on a test paper. It is reinforcement of something we would all like to believe about ourselves - that we are nice."