国家本质上是侵略性和扩张主义的,因为它们存在于一个无政府状态的国际体系中,没有更高的权威来约束它们。
Security is always excessive until it's not enough.
每个人都在寻找自己,即使他们不知道自己在寻找什么。
To be fond of dancing was a certain step towards falling in love.
The most important skill in AI is the ability to learn.
Collaboration across borders is key to solving global food challenges.