The world is a book, and those who do not travel read only one page.

It is good to have an end to journey toward; but it is the journey that matters, in the end.

真相很少纯粹，也绝不简单。

我年纪越大，越发现先做重要的事情这一古老规则的智慧——这个过程通常可以把最复杂的人类问题简化为可以处理的规模。