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.

The New Testament states that man cannot serve two masters. He must choose one -God, and not the other - money. For what man chooses will reveal his heart.

After Hurricane Katrina, I wanted to go back to New Orleans to help musicians return to the city. But Andrew Young advised me, "If you want to help people, go work at an investment bank." His contrarian advice opened my eyes to the importance of capital. "Learn how to make some money before you give it away." I learned that you can bring about good in the world especially if you have a paycheck.

Just the idea of making money can increase your skin conductancy, meaning there's a current of excitement.

It's ok to say I don't know. Realizing this earlier in my career would have put me more at ease.

People have tried to control other people by trapping them with debt. A loan can become a harmful and dangerous weapon.

All decisions originate in the brain. So if we can better understand what's happening in the brain when we make investment decisions, maybe one day we'll be able to make more accurate financial forecasts - for a stock or even the entire market.