The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

无论一个人被认为多么自私，他的本性中显然存在某些原则，这些原则使他对别人的命运感兴趣，并将他们的幸福视为自己的必要，尽管他从中除了看到它时的快乐外一无所得。

"Collaboration across teams leads to breakthrough ideas."

Pity, or compassion, is an emotion equally natural to all men.

愛とは、相手を理解し、受け入れること。

The investor's chief problem—and even his worst enemy—is likely to be himself.

释义：用兵讲究诡诈，要善于伪装迷惑对手。