The city is a great artifact, the supreme work of human civilization.
"我不害怕死亡，我害怕生活。"
数学的力量在于它的普遍性和抽象性。
解析：知道自己还有所不知，这是很高明的。不知道却自以为知道，这就是很糟糕的。
最大的危险不是我们会迷失方向，而是我们会满足于现状。
The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.
致力于你的业务。比任何人都更相信它。