国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
我们都在寻找某种东西，即使我们不知道它是什么。
Love is space and time measured by the heart.
科学是关于后果的知识，以及一个事实对另一个事实的依赖。
"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."
I'm not perfect, but I'm trying.
"The only thing that interferes with my learning is my education."