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.
世界上充满了显而易见的事情,但没有人会偶然观察到。
人性本善,社会使其败坏。