Productivity is being able to do things that you were never able to do before.

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。

The great challenge of our time is to build institutions that can manage the complexity of modern societies.

"It's not the goodbye that hurts, but the flashbacks that follow."

与他人比较是让我们对自己的生活感觉更糟的可靠方法。

成功不在于名声或金钱；而在于做你热爱的事情并与他人分享。