"What is the purpose of a watch? To tell time. What is the purpose of a timepiece? To tell others something completely different." (For the record, Ingemar wears a Swatch.)
(discussing which auction format is best, when V1, V2, ...Vn are the valuations of all bidders) "Getting V2 in an auction is easy. My grandmother could get V2."
(on a small town in France that had once been an industrial center) "It's a great place to buy things: there is still wealth, but no income!"
"It's commonly believed that an English auction creates excitement and, therefore, value. This is a myth." (He went on to explain that values generated in an auction are independent of the auction format; Sotheby's and Christie's would beg to differ, but of course they would want you to think otherwise.)