The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

在2007年9月19日，值教切尔西的最后一场比赛（欧洲冠军联赛），被罗森博格逼平后，穆里尼奥用烹饪的理念来给记者们上课，告诉记者们，受伤中的兰帕德、巴拉克、卡瓦略和德罗巴，都是好鸡蛋。

NP完全性的概念为理解问题的复杂性提供了一个强大的工具。

The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible.

人的状况...是一种每个人对每个人的战争状况。