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

没有熟练的操作员，最先进的机械也毫无意义。

Problems frequently get easier if you turn them around in reverse. In other words, if you want to help India, the question you should ask is not “how can I help India,” it’s “what is doing the worst damage in India? What will automatically do the worst damage and how do I avoid it?”

Know what you own, and know why you own it.

社会系统的统一性在于其各部分之间的相互依存。

不经历风雨，怎么见彩虹。