I have no use whatsoever for projections or forecasts. They create an illusion of apparent precision. The more meticulous they are, the more concerned you should be. We never look at projections, but we care very much about, and look very deeply at, track records. If a company has a lousy track record, but a very bright future, we will miss the opportunity.
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.
There are all kinds of businesses that Charlie and I don't understand, but that doesn't cause us to stay up at night. It just means we go on to the next one, and that's what the individual investor should do.
Investors have to remember: corporate profits are going up, but stocks are going up faster. How can that continue indefinitely? Investors can only earn what companies themselves can earn; the government or the markets themselves don't kick anything in. How can you get anything more out of a farm than what it grows?