一部伟大的电影是那种给你留下更多问题而不是答案的电影。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.
多一些事实，少一些矫饰废话。
我们奋力前行，小舟逆水而上，不断地被浪潮推回到过去。
The goal of mathematics is not to solve problems, but to understand them.