We should weep for men at their birth， not at their death.

"The 21st century is oppressed by a crushing sense of finitude and exhaustion."

我的人生就是我的信息。

生活不是一系列对称排列的灯光；生活是一个光晕，一个半透明的信封，从意识的开始到结束都包围着我们。

The moment you doubt whether you can fly, you cease for ever to be able to do it.

A mathematician is a device for turning coffee into theorems.

Le doute est le commencement de la sagesse.

发明是需求之母。