世界是一本书，不旅行的人只读了一页。
The world is a book, and those who do not travel read only one page.
I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.
The internet has changed the way information is disseminated, but human nature has never changed.
真相并不总是美丽的，美丽的言辞也不总是真相。
生活要快乐，但绝不要安于现状。