I like Obama. I don't know who could do a better job. He's got an incredibly tough situation, and a good heart and mind. I'd like to see him rally support a little better.

My son is now an 'entrepreneur.' That's what you're called when you don't have a job.

I lost 80 percent of my wealth and then gave away over half of the rest. So I'm a man of modest means now. But if you budget carefully and watch your expenditures, you can get by on a couple billion dollars.

The U.N. had such lofty goals to eliminate poverty and stop war and cure diseases and help refugees - things that no one country could do.

You ask my wife or my two sons, and they'll tell you that I ain't free with the money.

I'd encourage more young people to apply their talents beyond finance and consulting and to think about reshaping how medicines are brought to market and how the business is run.

To restore confidence in our markets and our financial institutions so they can fuel continued growth and prosperity, we must address the underlying problem. The federal government must implement a program to remove these illiquid assets that are weighing down our financial institutions and threatening our economy.

It's an irony that growing inequality could mean more money for philanthropy. In the U.S., quite a few of the ultra-rich have taken to heart the 19th century industrialist and philanthropist Andrew Carnegie's comment that it's a disgrace to die wealthy.