You shouldn't just pick a stock - you should do your homework.

The biggest winners are surprises to me, and takeovers are even more surprising. It takes years, not months, to produce big results.

Suicide is a permanent solution to a temporary problem. Suicide is a choice and I think if we work with that with kids, we'll get somewhere.

If you're prepared to invest in a company, then you ought to be able to explain why in simple language that a fifth grader could understand, and quickly enough so the fifth grader won't get bored.

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

Everyone has the brain power to make money in stocks. Not everyone has the stomach.

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.