For the last several decades, there was a prevailing belief among traditional economists that the markets were rational and self-correcting. Alan Greenspan advocated this view. But the 2008 financial crisis showed that this view is incorrect, and Greenspan eventually admitted as much.

Money is becoming increasingly plastic and digital. If there is a major disaster, let's say an asteroid strike, we'll go back to trading meats and furs. We won't need an abstraction, a dollar bill, but real tangible goods to survive.

Money is really like blood. You need it to live but it isn't the point of life.

All organisms rely on exchange. They form symbiotic partnerships in order to obtain the energy that they need to survive. Energy is the currency of nature.

For the last several decades, there was a prevailing belief among traditional economists that the markets were rational and self-correcting. Alan Greenspan advocated this view. But the 2008 financial crisis showed that this view is incorrect, and Greenspan eventually admitted as much.

The challenge of our generation, whether it's young lawyers, young investment bankers, is to make capitalism work for people not just around the corner, but for people all around the world.

I think the money for the solutions for global poverty is on Wall Street. Wall Street allocates capital. And we need to get capital to the ideas that are successful, whether it's microfinance, whether it's through financial literacy programs, Wall Street can be the engine that makes capital get to the people who need it.