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To understand the universe, you must understand the language in which it is written, and that language is mathematics.

The most profound ideas in mathematics often come from asking the simplest questions.

I'm not perfect, but I'm striving every day to be better than I was yesterday.

The seabbard is content to be dull when it protects the keenness of the word.

孔子說：“父母在世時，不要走遠，必須遠走時，一定要留下準確的地址。”

寫作是唯一一個不賺錢也不會被人嘲笑的職業。