It's human nature to keep doing something as long as it's pleasurable and you can succeed at it, which is why the world population continues to double every 40 years.

The natural-born investor is a myth.

When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can find the bottom.

There's no use diversifying into unknown companies just for the sake of diversity. A foolish diversity is the hobgoblin of small investors. That said, it isn't safe to own just one stock, because in spite of your best efforts, the one you choose might be the victim of unforeseen circumstances. In small portfolios, I'd be comfortable owning between three and ten stocks.

I don't go near the money and the money doesn't go near me.

During the Gold Rush, most would-be miners lost money, but people who sold them picks, shovels, tents and blue-jeans (Levi Strauss) made a nice profit.

If you spend more than 13 minutes analyzing economic and market forecasts, you've wasted 10 minutes