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。

在我看来，天堂就是一个大大的烤土豆，再加上那个与我共享它的人。

You think it will never happen to you, that it cannot happen to you, that you are the only person in the world to whom none of these things will ever happen, and then, one by one, they all begin to happen to you, in the same way they happen to everyone else.

走路，应缓慢又稳健；站立，应端直又恭敬；坐着，应端庄又平正；说话，应低沉又和缓。

Sustainable agriculture is not a slogan but a responsibility—we must preserve green mountains and clear waters for future generations.