The stock market is the story of cycles and of the human behavior that is responsible for overreactions in both directions.

When a government official says a problem has been "contained," pay no attention.

Depressions aren't good but the depression mentality is good.

To achieve long-term success over many financial market and economic cycles, observing a few rules is not enough. Too many things change too quickly in the investment world for that approach to succeed. It is necessary instead to understand the rationale behind the rules in order to appreciate why they work when they do and don't when they don't.

Investing is the intersection of economics and psychology.

Complexity - limits competition.

Wall Street can be a dangerous place for investors. You have no choice but to do business there, but you must always be on your guard. The standard behavior of Wall Streeters is to pursue maximization of self-interest; the orientation is usually short term. This must be acknowledged, accepted, and dealt with. If you transact business with Wall Street with these caveats in mind, you can prosper. If you depend on Wall Street to help you, investment success may remain elusive.