It is good if your enemy underestimates you. The dumber they think you are the more surprised they are when you kill them.

I served 40 years in government, and I'm not looking forward to a position or an assignment. Of course, I have always said if a president asks you to do something, you have to consider it. But I am in no way interested in returning to government. But I, of course, would sit and talk to any president who wishes to talk to me.

Use the formula P=40 to 70, in which P stands for the probability of success and the numbers indicate the percentage of information acquired. Once the information is in the 40 to 70 range, go with your gut.

I went to graduate school as a lieutenant colonel after I had been in the army for 12 or 13 years. I learned so much from all the great management theorists. It gave me a greater understanding of my army experience and showed me the gaps in my knowledge.

My responsibility, our responsibility as lucky Americans, is to try to give back to this country as much as it has given us, as we continue our American journey together.

Leadership is solving problems. The day soldiers stop bringing you their problems is the day you have stopped leading them. They have either lost confidence that you can help or concluded you do not care. Either case is a failure of leadership.

I don't think we handled the aftermath of the fall of Baghdad as well as we might have. But that's now history.