I think it's very useful. It may not be immediately apparent to people in Darfur, but in the end it is a contribution towards a solution to their problem."

VOA: standard.2009.10.23

It's a difficult problem that not everyone is smart -they vary in their ability -so we try to make a world in which it's pretty safe for the small investor who's not paying attention.

不是所有人都是聪明人,这是个难题,大家能力不同,所以我们试图营造一个环境,一个让小投资者感到安全的环境,而无需忧心忡忡

耶鲁公开课 - 金融市场课程节选