You don't need to have extraordinary effort to achieve extraordinary results. You just need to do the ordinary, everyday things exceptionally well.

The greatest investment a young person can make is in their own education, in their own mind. Because money comes and goes. Relationships come and go. But what you learn once stays with you forever.

As of 1992, in fact-though the picture would have improved since then-the money that had been made since the dawn of aviation by all of this country's airline companies was zero. Absolutely zero.

The optimum portfolio depends on the various expectations of choices available and the degree of variance in performance which is tolerable. The greater the number of selections, the less will be the average year-to-year variation in actual versus expected results. Also, the lower will be the expected results, assuming different choices have different expectations of performance.

If you are not willing to own a stock for 10 years, do not even think about owning it for 10 minutes.

Wide diversification is only required when investors do not understand what they are doing.

We have embraced the 21st century by entering such cutting-edge industries as brick, carpet, insulation and paint. Try to control your excitement.