Bluntly put, there's no chance that your doctor, dentist, or attorney is a high-school dropout. Your stockbroker, however, just might be.

It's human nature to find patterns where there are none and to find skill where luck is a more likely explanation (particularly if you're the lucky manager).

Do the math. Expect catastrophes. Whatever happens, stay the course.

All the things that make us human make us terrible investors and you have to understand what they are and how to avoid them.

Wall Street is littered with the bones of those who knew just what to do, but could not bring themselves to do it.

There are two kinds of investors, be thay large or small: those who don't know where the market is headed, and those who don't know that they don't know.

It's bad enough that you have to take market risk. Only a fool takes on the additional risk of doing yet more damage by failing to diversify properly with his or her nest egg. Avoid the problem-buy a well-run index fund and own the whole market.