"When the price of a stock can be influenced by a "herd" on Wall Street with prices set at the margin by the most emotional person, or the greediest person, or the most depressed person, it is hard to argue that the market always prices rationally. In fact, market prices are often nonsensical."

“Those who attended last year saw your Chairman pitch to Ernie Banks. This encounter proved to be the titanic duel that the sports world had long awaited. After the first few pitches — which were not my best, but when have I ever thrown my best? — I fired a brushback at Ernie just to let him know who was in command. Ernie charged the mound, and I charged the plate. But a clash was avoided because we became exhausted before reaching each other.”

“Risk comes from not knowing what you’re doing. "The Three Essential Warren Buffett Quotes To Live By" forbes.com”

“I could end the deficit in five minutes. You just pass a law that says that any time there's a deficit of more than 3% of GDP, all sitting members of Congress are ineligible for re-election.”

“Most companies are saddled with institutional constraints. A company's history, for example, may commit it to an industry that now offers limited opportunity. A more common problem is a shareholder constituency that pressures its manager to dance to Wall Street's tune. Many CEOs resist, but others give in and adopt operating and capital-allocation policies far different from those they would choose if left to themselves.”

“I make no attempt to forecast the general market — my efforts are devoted to finding undervalued securities. However, I do believe that widespread public belief in the Inevitability of profits from investments in stocks will lead to eventual trouble. Should this occur, prices, but not intrinsic values in my opinion, of even undervalued securities can be expected to be substantially affected.”

“FACTBOX: Warren Buffett at a glance", by Jonathan Stempel, editing by Philip Barbara, Reuters”