Time is a great deal more than money. If you have time you can obtain money—usually. But though you have the wealth of a cloak-room attendant at the Carlton Hotel, you cannot buy yourself a minute more time than I have, or the cat by the fire has.

Philosophers have explained space. They have not explained time. It is the inexplicable raw material of everything. With it, all is possible; without it, nothing. The supply of time is truly a daily miracle, an affair genuinely astonishing when one examines it. You wake up in the morning, and lo! your purse is magically filled with twenty-four hours of the unmanufactured tissue of the universe of your life! It is yours. It is the