A Chinaman of the T'ang Dynasty—and, by which definition, a philosopher—dreamed he was a butterfly, and from that moment he was never quite sure that he was not a butterfly dreaming it was a Chinese philosopher. Envy him; in his two-fold security.

We shed as we pick up, like travellers who must carry everything in their arms, and what we let fall will be picked up by those behind. The procession is very long and life is very short. We die on the march. But there is nothing outside the march so nothing can be lost to it. The missing plays of Sophocles will turn up piece by piece, or be written again in another language. Ancient cures for diseases will reveal themselves once more. Mathematical discoveries glimpsed and lost to view will have their time again. You do not suppose, my lady, that if all of Archimedes had been hiding in the great library of Alexandria, we would be at a loss for a corkscrew?