To invest successfully over a lifetime does not require a stratospheric IQ, unusual business insights, or inside information. What's needed is a sound intellectual framework for making decisions and the ability to keep emotions from corroding that framework. You must supply the emotional discipline.

The most important thing in terms of your circle of competence is not how large the area of it is, but how well you've defined the perimeter.

I think that both parties should declare the debt limit as a political weapon of mass destruction which can't be used. I mean, it is silly to have a country that has 237 years building up its reputation and then have people threaten to tear it down because they're not getting some other matter.

Honesty is a very expensive gift, Don't expect it from cheap people.

Very successful people say no to almost everything.

I don't have my diploma from the University of Nebraska hanging on my office wall, and I don't have my diploma from Columbia up there either-but I do have my Dale Carnegie graduation certificate proudly displayed.

Games are won by players who focus on the playing field -- not by those whose eyes are glued to the scoreboard.