As an anonymous participant in financial markets, I never had to weigh the social consequences of my actions ... I felt justified in ignoring them on the grounds that I was playing by the rules.

Bush's war in Iraq has done untold damage to the United States. It has impaired our military power and undermined the morale of our armed forces. Our troops were trained to project overwhelming power. They were not trained for occupation duties.

Once we realize that imperfect understanding is the human condition there is no shame in being wrong, only in failing to correct our mistakes.

We must recognize that as the dominant power in the world we have a special responsibility. In addition to protecting our national interests, we must take the leadership in protecting the common interests of humanity.

Whenever there is a conflict between universal principles and self-interest, self-interest is likely to prevail.

When it comes to social consequences, they've got all different people acting in different ways, very difficult to even have a proper criterion of success. So, it's a difficult task.

The world is looking to us for leadership. We have provided it in the past; the main reason why anti-American feelings are so strong in the world today is that we are not providing it in the present.