经验是我们给错误取的另一个名字。

数学的美只向更有耐心的追随者展示。

释义：根据收入来安排支出，节俭持家。这句话强调理财的基本原则。

We are moving from an economy based on the production of goods to one based on the production of knowledge.

进步的概念必须建立在灾难的观念之上。