Never buy anything that you can't illustrate on the back of a napkin.

Your ultimate success or failure will depend on your ability to ignore the worries of the world long enough to allow your investments to succeed.

The basic story remains simple and never-ending. Stocks aren't lottery tickets. There's a company attached to every share.

You only need a few good stocks in your lifetime. I mean how many times do you need a stock to go up ten-fold to make a lot of money? Not a lot.

There's lots of stocks out there and all you need is a few of 'em. That's been my philosophy.

The Rule of 72 is useful in determining how fast money will grow. Take the annual return from any investment, expressed as a percentage, and divide it into 72. The result is the number of years it will take to double your money.

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