人的本性是天生的质朴，善良是王道教化的结果

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.

复杂性是执行力的敌人——保持解决方案简单。

真正的科学首先教会人怀疑与承认无知。