安全困境是国际政治的一个基本特征，因为国家增加自身安全的努力往往会降低其他国家的安全。
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
戏剧的本质是冲突，而冲突的本质是人性。
The story itself is the protagonist, rather than the story of the people.
The essence of business is to create value, not just simple transactions.
我不是数学的英雄。我甚至没有那么成功；这就是为什么我不希望每个人都看着我。
Great companies don't just adapt to change—they anticipate and drive it.