Researchers have found that identical twins who have been separated for long periods of time actually invest in a similar manner. Biology really does affect how we spend money.

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.

We are privileged that the dollar is the "currency of last resort" and the most important currency in the world. Global commodities are priced in dollars. Central banks in other countries hold great quantities of dollars. The dollar was the safe harbor, the port in the storm during the credit crisis.

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

Persistence. Change doesn't happen overnight. You have to stay with it. Rosa Parks helped start the Civil Rights movement in earnest in 1955. Then it was nearly a decade until the Civil Rights Act was passed.

Social standing and reptuation has always mattered, but now it 's happening on a global basis.

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