数学是给不同事物赋予相同名称的艺术。

The same principles that at first lead to skepticism pursued to a certain point ends in religion.

"Memory is a strange thing. It doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter. It creates a picture, but it's not always the same picture."

The first man who， having fenced in a piece of land， said 'This is mine，' and found people naïve enough to believe him， that man was the true founder of civil society.

书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。

危机来临时，真正的领导者要敢于担当，快速决策。

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.