Never invest in anything that cannot be illustrated with a crayon

All the math you need in the stock market you get in the fourth grade.

In stocks as in romance, ease of divorce is not a sound basis for commitment.

There is always something to worry about. Avoid weekend thinking and ignoring the latest dire predictions of the newscasters. Sell a stock because the company's fundamentals deteriorate, not because the sky is falling.

Investing is fun and exciting, but dangerous if you don't do any work.

A lot of people got in at the wrong time. A lot of people did very well and some people said, "This is it. I'll never get back in again." And they maybe meant it, but they probably got back in again anyway.

It's human nature to keep doing something as long as it's pleasurable and you can succeed at it, which is why the world population continues to double every 40 years.