书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
The best response to those who hurt you isn't revenge, but doing your best to have a better life.
Operational effectiveness and strategy are both essential to superior performance, but they work in very different ways.