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。
In quantum mechanics, we have to abandon the idea that particles have definite properties before measurement.
好奇心推动发现。没有它，科学就会停滞不前。
互联网应该是一个赋权的工具，而不是控制的工具。
