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The best books are those that make you feel less alone.

What fun was it without having me around?

The thing that is important is the thing that not seen… It is just as it is with the flower。 If you love a flower that lives on a star， it is sweet to look at the sky at night。 All the stars are abloom with flowers…

一個問題如果在計算機上可以快速解決，那么它屬于P類問題；如果一個解可以快速驗證，那么它屬于NP類問題。

We are all branches on the great tree of life.

The only limit to our realization of tomorrow is our doubts of today.

Your work is going to fill a large part of your life, so make sure it's something you love doing.