海洋不仅仅是一种资源；保护它是我们对后代的责任。

巴黎是一个你可以同时迷失和找到自我的城市。

The more you are interested in others， the more interesting they find you. To be interesting， be interested.

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

写作的艺术在于用寥寥数语表达丰富内容。

代数簇的算术是窥探数学隐藏结构的窗口。