Remember that a share of stock represents a part of a business and is not just a piece of paper.

The market is a very emotional place that appeals to fear and greed.

Fear and greed tend to affect one's judgement.

Have patience. Stocks don't go up immediately.

Sell is tough. It's the worst, it's the most difficult thing of all.

By setting up Berkshire Hathaway, Warren has done everything very rationally.

You have to have confidence in what you're doing.