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If you are looking for something in your house， and you finally find it， when you’re done with it， don’t put it back where you found it. Put it back where you first looked for it.

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

生活要么是一次大膽的冒險，要么什么都不是。

I don't want to be a role model. I want to be a source of inspiration.

數學的樂趣在于努力理解的過程。

"Every story is a story about death, but perhaps every story is also about life."