If people want to criticize me because it sells papers, that's fine. I just don't like it when it's inaccurate.

I think over any period of time, especially if you don't use leverage, it is difficult to continually beat the S&P 500.

Managers are responsible for setting workplace policies under which teachers can succeed. Managers are responsible for negotiating contracts that create the conditions under which teachers can succeed.

Philanthropy is activism.

The best move you can make in negotiation is to think of an incentive the other person hasn't even thought of - and then meet it.

School boards are, for the most part ,made up of political wannabes who see a board seat as a stepping stone for political office, or well-meaning parents who represent an ethnic group or geography, or have some other narrow interests. Few people on them understand what governance is about.

A lot of executives act like their time is worth more than anyone else's. But I always respect an employee who guards his or her time, even from me.