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"To live is the rarest thing in the world. Most people exist, that is all."

The best way to learn a new programming language is by writing programs in it.

發現的藝術不在于找到新大陸，而在于用新的眼光去看。

Freedom is not the power to do what we want， but the right to do what we ought.

Freedom of speech is the great bulwark of liberty; they prosper and die together.

歷史記住日期，但傳記記住日子。

化學的未來在于化繁為簡。