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 laissez-faire argument relies on the same tacit appeal to perfection as does communism.

Market prices are always wrong.

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.

Although I have made a fortune in the financial markets, I now fear that the untrammeled intensification of laissez-faire capitalism and the spread of market values into all areas of life is endangering our open and democratic society. The main enemy of the open society, I believe, is no longer the communist but the capitalist threat.

I admire Chancellor Merkel for her leadership qualities, but she is leading Europe in the wrong direction.

The criminalization of marijuana did not prevent marijuana from becoming the most widely used illegal substance in the United States and many other countries. But it did result in extensive costs and negative consequences.