International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.

政策制定者应乐于根据新证据修正他们的观点。

最成功的产品往往是解决日常问题的最简单方案。

正确陈述的反面是错误陈述。但一个深刻真理的反面很可能是另一个深刻真理。

"Home is not a place, it's a feeling."

跨国合作是解决全球海产品挑战的关键。