The separation of law and morals is a necessary feature of a legal system.

We must be vigilant in protecting the Internet from those who would misuse it.

墨西哥是一个始终处于形成过程中的国家，从未真正到达终点。

The most important thing for any leader is to bring clarity to where the world is going.

在地球系统的伟大运作中，自然的有机界和无机界紧密相连。