The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

"In mathematics, you don't understand things. You just get used to them."

市场并不完美，但设计良好的市场接近完美。

Innovation isn't about disruption, it's about simplifying complexity.

资本市场的效率不仅取决于监管，还取决于信息的质量。