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.

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.

"Begin with where you are." Everyone is looking to get ahead, but you get ahead by doing well at the things that are immediately in front of you.Start with the people around you, learn from them, and invest in them.

Reputation will become an even more important currency in the future.

Gone is the day where you work at a job for thirty years and retire. Millennials jump around and switch careers. I think it's important for CEOs to highlight career mobility within a company, so that employees don't get bored and continue to be stimulated.

On a biological level, the brain registers money as something valuable - even a dollar bill which has no intrinsic value, it's just paper.

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.