"Was he sane, do you think?"
"Absolutely, for legal purposes. We have three opinions from leading doctors - collected by him in case of accidents, I suppose - each of which declares him perfectly sound from the collar upward. But a man can be pretty far gone, you know, without being legally insane, and old Nutcombe - well, suppose we call him whimsical. He seems to have zigzagged between the normal and the eccentric.
(from Uneasy Money, by Sir Pelham Wodehouse)