I'm only rich because I know when I'm wrong...I basically have survived by recognizing my mistakes.

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

Markets can influence the events that they anticipate.

I'm not doing my philanthropic work out of any kind of guilt, or any need to create good public relations. I'm doing it because I can afford to do it, and I believe in it.

Who most benefits from keeping marijuana illegal? The greatest beneficiaries are the major criminal organizations in Mexico and elsewhere that earn billions of dollars annually from this illicit trade - and who would rapidly lose their competitive advantage if marijuana were a legal commodity.

At times of recession, running a budget deficit is highly desirable. Once the economy begins to recover, you have to balance the budget. But it will also need additional revenues. Should the government not receive them, we will all get punished with higher interest rates.

The global crisis is caused by pathologies inherent in the global financial system itself.