History taught us is that people never know learn the lessons of history.
学习新编程语言的最好方法是用它编写程序。
【释义】上级不讲信用，就无法驱使下级；下级不讲信用，就无法侍奉上级，信用作为一种道德准则，意义十分重大。
Identity capital is our collection of personal assets. It is the repertoire of individual resources that we assemble over time. These are the investments we make in ourselves, the things we do well enough, or long enough, that they become a part of who we are.