人类和动物的行为受相同法则支配。

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.

拥有美好一天的唯一方法是以积极的态度开始它。

The best characters are the ones who stay with you long after the book is closed.