I'm just trying to be honest with myself and with the people around me.

At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.

In science, we try to explain what we don't understand. In mathematics, we try to understand what we can't explain.

Never compromise on values for short-term gains.

宪政经济学是一个研究约束选择而非约束内选择的研究计划。

很可能还会发明出其他几种辅助视觉的工具，它们超越现有工具的程度，就像现有工具超越肉眼一样。

成功不是成为最好的人，而是比昨天的自己更好。