The only way to avoid being miserable is not to have enough leisure to wonder whether you are happy or not.
领导力意味着今天做出艰难的决定,为了更美好的明天。
写作就是让自己成为世界灵魂的回声。
丰田生产系统是通过消除浪费来节约资源的框架。
To teach mathematics is to inspire the next generation of thinkers and problem solvers.