Yes, sir. The mathematician Archimedes is related to have discovered the principle of displacement quite suddenly one morning, while in his bath.' 'Well, there you are. And I don't suppose he was such a devil of a chap. Compared with you, I mean.' 'A gifted man, I believe, sir. It has been a matter of general regret that he was subsequently killed by a common soldier.' 'Too bad. Still, all flesh is as grass, what?