“In the 20th century, the United States endured two world wars and other traumatic and expensive military conflicts; the Depression; a dozen or so recessions and financial panics; oil shocks; a flu epidemic; and the resignation of a disgraced president. Yet the Dow rose from 66 to 11,497.”
— Warren Buffett
20世纪，美国经受了2次世界大战以及其他代价惨痛的军事冲突；大萧条；多次衰退及金融恐慌；油价重挫；流感大蔓延；以及一位总统不光彩的辞职。然而，道琼斯指数却从66点上涨至11497点。
— 沃伦·巴菲特