The United States has no permanent enemies, no permanent friends, only permanent interests.

The aim of psychology is to describe the structure of experience.

Get rich or die tryin'.

A vaincre sans peril, on triomphe sans gloire.

Stories are the way we make sense of the chaos of existence.

我们拥有的最有价值的资源不是石油或天然气，而是人类的聪明才智。