"We are all the heroes of our own stories, and sometimes the villains too."

Those who make peaceful revolution impossible will make violent revolution inevitable.

在地球系统的伟大运作中，有机和无机力量完美和谐。

我们今天做的每一个决定都塑造着我们留下的世界。

The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.