The most important quality for an investor is temperament, not intellect... You need a temperament that neither derives great pleasure from being with the crowd or against the crowd.

One of the ironies of the stock market is the emphasis on activity. Brokers, using terms such as `marketability' and `liquidity," sing the praises of companies with high share turnover... but investors should understand that what is good for the croupier is not good for the customer. A hyperactive stock market is the pick pocket of enterprise.

The stock market is a no-called-strike game. You don't have to swing at everything--you can wait for your pitch. The problem when you're a money manager is that your fans keep yelling, 'Swing, you bum!'

The strategy we've adopted precludes our following standard diversification dogma. Many pundits would therefore say the strategy must be riskier than that employed by more conventional investors. We disagree. We believe that a policy of portfolio concentration may well decrease risk if it raises, as it should, both the intensity with which an investor thinks about a business and the comfort-level he must feel with its economic characteristics before buying into it.

I just don't see anything available that gives any reasonable hope of delivering such a good year and I have no desire to grope around, hoping to 'get lucky' with other people's money. I am not attuned to this market environment, and I don't want to spoil a decent record by trying to play a game I don't understand just so I can go out a hero.

I never buy anything unless I can fill out on a piece of paper my reasons. I may be wrong, but I would know the answer to that. “I’m paying $32 billion today for the Coca Cola Company because...” If you can’t answer that question, you shouldn’t buy it. If you can answer that question, and you do it a few times, you’ll make a lot of money.

If you understood a business perfectly and the future of the business, you would need very little in the way of a margin of safety. So, the more vulnerable the business is, assuming you still want to invest in it, the larger margin of safety you'd need. If you're driving a truck across a bridge that says it holds 10,000 pounds and you've got a 9,800 pound vehicle, if the bridge is 6 inches above the crevice it covers, you may feel okay, but if it's over the Grand Canyon, you may feel you want a little larger margin of safety...

I call investing the greatest business in the world because you never have to swing. You stand at the plate, the pitcher throws you General Motors at 47! U.S. Steel at 39! and nobody calls a strike on you. There's no penalty except opportunity lost. All day you wait for the pitch you like; then when the fielders are asleep, you step up and hit it.