易涨易退山溪水，易反易覆小人心。
小人反复无常，不可深交。
忠于自己，那才是真正的炫耀。
法律规范的有效性不在于它的实效性，而在于它的约束力。
热爱真理，但宽恕错误。
Economic research should aim to inform real-world decision-making.
What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.