The US needs a cap and trade system with auctioning of licenses for emissions rights. The revenues from these auctions can be used to launch a new, environmentally friendly energy policy. That would be yet another federal program that could help us to overcome the stagnation.

The main enemy of the open society, I believe, is no longer the communist but the capitalist threat.

Germans tend to forget now that the euro was largely a Franco-German creation. No country has benefited more from the euro than Germany, both politically and economically. Therefore what has happened as a result of the introduction of the euro is largely Germany's its responsibility.

My sense of insecurity keeps me alert, always ready to correct my errors.

I think that my foundation uses the money better than the government does. In any event, I do pay taxes.

Market prices are always wrong.

The hardest thing to judge is what level of risk is safe.