美德只能在平等中繁荣。

一个国家的价值，从长远来看，就是它所组成的个体的价值。

Oil and gas will remain part of the energy mix for decades to come, but we must produce them as cleanly as possible.

I am a cage, in search of a bird.

统计推断的理论不是数学的一个分支，而是在不确定性下进行推理的科学。