Studying economics is not a good preparation for dealing with it.

If the terrorists have the sympathy of people, it's much harder to find them. So we need people on our side, and that leads us to be responsible leaders of the world, show some concern with the problems.

An open society is a society which allows its members the greatest possible degree of freedom in pursuing their interests compatible with the interests of others.

The key problem is the debt restructuring in the euro zone. As long as the debt burden is not reduced, there is no chance of the weaker EU countries regaining competitiveness.

I used to be opposed to the idea of social entrepreneurship. I said, you know, let business be business, and philanthropy be philanthropy. Keep the two separate, don't mix it up, and this is what I did, and I did that rather successfully, but I now recognize that actually you do need to mix it up and I think there is room for social entrepreneurship.

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

The main obstacle to a stable and just world order is the United States. [This idea] happens to coincide with the prevailing opinion in the world. And I think that's rather shocking for Americans to hear.