语出西汉·桓宽《盐铁论·疾贪》。表：古代测量日影以计时的标杆。要想让影子正，就要先将标杆树直；要想让下面的人清廉，就要先自己做到清廉。说明上位是下位的表率。
The most dangerous phrase in manufacturing is 'we've always done it this way'.
The principal effect of the progress of society is to increase the quantity of wealth, and the power of distributing it.
国家是理性的行为者，在无政府状态的国际体系中寻求最大化其权力和安全。
"There is nothing more deceptive than an obvious fact."
The more we live by our intellect, the less we understand the meaning of life.