Just because you buy a stock and it goes up does not mean you are right. Just because you buy a stock and it goes down does not mean you are wrong.

In the summer of 1990, I was buying stocks and I was probably three or four months early there. But we had a great rally in 1991.

Bargains are the holy grail of the true stockpicker. The fact that 10 to 30 percent of our net worth is lost in a market sell-off is of little consequence. We see the latest correction not as a disaster but as an opportunity to acquire more shares at low prices. This is how great fortunes are made over time.

The list of qualities (an investor should have) include patience, self-reliance, common sense, a tolerance for pain, open-mindedness, detachment, persistence, humility, flexibility, a willingness to do independent research, an equal willingness to admit mistakes, and the ability to ignore general panic.

A lot of people got in at the wrong time. A lot of people did very well and some people said, "This is it. I'll never get back in again." And they maybe meant it, but they probably got back in again anyway.

Stocks are a safe bet, but only if you stay invested long enough to ride out the corrections.

Often, there is no correlation between the success of a company's operations and the success of its stock over a few months or even a few years. In the long term, there is a 100 percent correlation between the success of the company and the success of its stock. This disparity is the key to making money; it pays to be patient, and to own successful companies.