The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
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。
过去不在我们身后，而在我们之内。
"I don't believe in writer's block. I believe in laziness."