Optimal fiscal policy requires that taxes be smooth over time, as abrupt changes can distort economic decisions.
最优财政政策要求税收随时间平滑，因为突然的变化会扭曲经济决策。
客户的声音应该永远是房间里最响亮的。
The world is a cruel place, but it is also beautiful.
The most important thing in science is not to solve problems, but to ask the right questions.
最好的领导者是那些倾听多于发言的人。
有时候，活着本身就是一种反抗。