Never invest in a company without understanding its finances. The biggest losses in stocks come from companies with poor balance sheets.

My method for picking stocks has never changed. When businesses go from crappy to semicrappy, there's money to be made.

In the long run, it's not just how much money you make that will determine your future prosperity. It's how much of that money you put to work by saving it and investing it.

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

Long-term investing has gotten so popular, it's easier to admit you're a crack addict than to admit you're a short-term investor.

In business, competition is never as healthy as total domination.

My high-tech aversion caused me to make fun of the typical biotech enterprise: $100 million in cash from selling shares, one hundred Ph.D.'s, 99 microscopes, and zero revenues.