经济学是对人类日常生活事务的研究。

Every challenge is an opportunity in disguise.

我们能体验到的最美丽的事物是神秘。它是所有真正艺术和科学的源泉。

To write is to give oneself over to the world, to let the world in, and to let it change you.

Civil law is what each people establishes for itself.