The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
你能做的最糟糕的事情就是假装成你不是的样子。
心脏是一块有弹性的肌肉。
创新不仅仅是创造新产品,而是重新构想我们如何解决问题。
不追忆过去,不忧虑未来,也不贪恋现在。