"There are three important principles to Graham's approach. [The first is to look at stocks as fractional shares of a business, which] gives you an entirely different view than most people who are in the market. [The second principle is the margin-of-safety concept, which] gives you the competitive advantage. [The third is having a true investor's attitude toward the stock market, which] if you have that attitude, you start out ahead of 99 percent of all the people who are operating in the stock market - it's an enormous advantage."

Source: Buffett to give away billions. www.cnn.com. June 26, 2006.