I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

可持续发展需要在经济增长与环境保护之间取得平衡。

成功是一段旅程，而不是目的地。

做出伟大工作的唯一途径就是热爱你所做的事。

对那些来访牛津大学的外国友人，我有一个坏消息，这里的人都很势利。有时候，英国以外的人会想象，势利是英国人特有的个性，来自那些乡间别墅和头衔爵位。坏消息是，并不只是这样，势利是一个全球性的问题，我们是个全球性的组织，这是个全球性的问题，它确实存在。势利是什么？，势利是以一小部分的你，来判别你的全部价值，那就是势利。