你停止尝试的那一刻，就是你开始死亡的那一刻。

The separation of law and morals is a necessary condition for the existence of a legal system.

Understanding the behavior of complex systems requires a new kind of thinking, one that embraces uncertainty and unpredictability.

小规模养殖户是这个行业的支柱，他们的知识是无价的。