Never let your sense of morals prevent you from doing what is right.
永远别让你的道德感阻止你做正确的事。
The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.
绝不能为了短期利益而牺牲质量。
每个人都有一种内在的、与生俱来的自我实现动力。
简单的东西往往能唤起最强烈的情感。