I keep hearing “Should I buy? Should I buy?” When I start hearing “Should I sell?” that’s the bottom. – Nick Moore (Portfolio manager, Jurika & Voyles, TheStreet.com, March 12, 2001)

The market can stay irrational longer than you can stay solvent. – John Maynard Keynes (British economist, 1883-1946)

If you don’t know who you are, the stock market is an expensive place to find out. -George Goodman (Institutional Investor, New York, “Adam Smith,” The Money Game, b. 1930)

Lack of money is the root of all evil. – George Bernard Shaw (Irish dramatist, 1856-1950)

If the models are telling you to sell, sell, sell, but only buyers are out there, don’t be a jerk. Buy! – William Silber, Ph.D. (N.Y.U., Newsweek, 1986)

The first human who hurled an insult instead of a stone was the founder of civilization. – Sigmund Freud (Austrian neurologist, psychiatrist, “father of psychoanalysis,” 1856-1939)

A.I. (artificial intelligence) is the science of how to get machines to do the things they do in the movies. – Professor Astro Teller (Carnegie Mellon University)

If there’s anything duller than being on a board in Corporate America, I haven’t found it. – H. Ross Perot (American businessman, NY Times, 10/28/92, two-time presidential candidate 1992 & 1996, b. 1930)

If you torture data long enough, it will confess to anything. – Darrell Huff (How to Lie With Statistics, 1954)

Beware of inside information… all inside information. – Jesse Livermore (Early 20th century stock trader & speculator, How to Trade in Stocks, 1877-1940)