安全困境是国际政治的一个基本特征，因为国家增加自身安全的努力往往会降低其他国家的安全。

金钱让事情变得复杂，但它改变不了艺术关乎生死的事实。

译文：成名多是在穷苦的岁月里发奋磨砺取得的，失败多是因为在得志时松懈造成的。赏析：古人说，生于忧患，死于安乐。人时时保持一颗忧患的心去做事，自然就会顺遂，而在得意时就忘乎所以，往往就会招致失败。

The most important thing is to be honest with yourself and with your audience.

The modern state is characterized by its ability to concentrate and use power in a way that premodern states could not.

The power of mathematics is in its universality and its ability to transcend cultural boundaries.

Art has to move you and design does not, unless it's a good design for a bus.

安全边际的概念，一个格雷厄姆的原则，永远不会过时。让市场成为你的仆人的概念永远不会过时。客观和冷静的概念永远不会过时。

There is no such thing as society: there are individual men and women, and there are families.

采矿业必须在安全、可持续性和社会责任方面以身作则。