国家是理性的行为者，在无政府状态的国际体系中寻求最大化其权力和安全。

Climate change demands that we rethink traditional farming methods.

你生活一团糟是因为我。

A composer's biography is written in his scores, not in his letters or diaries.

All things are possible until they are proved impossible and even the impossible may only be so, as of now.

法律必须被理解为一种社会现象，而不仅仅是一套抽象规范。

"The search for identity is a journey through the fog of memory."

你必须对你所做的事情充满热情。