生命的历史由突变书写。

每个人都有不为世人所知的秘密悲伤；我们常常称一个人冷漠，而实际上他只是悲伤。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

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.

Sustainability isn't a cost; it's an investment in relevance and longevity.

适应性是将成功企业与其他企业区分开来的因素。

法律的概念不是一个事物的概念，而是一个复杂的社会实践的概念。