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.
在高压情况下，你必须相信自己的直觉。
The past is always with us, for it feeds the present.