城市是一个活生生的东西，总是在变化，又总是一样。

The only fence against the world is a thorough knowledge of it.

过去从未死去，它甚至还没有过去。

我最害怕的莫过于共和国分裂成两个大党，每个党都在其领导人的领导下，相互对立地制定措施。

Don't drift into self-pity because it doesn't solve any problems.

Every line we draw has consequences in people's lives.

The future belongs to those who dare to challenge the status quo in science and business.

在困难中蕴含着机会。