Every one of the constituent elements of a social group, in a modern city as in a savage tribe, is born immature, helpless, without language, beliefs, ideas, or social standards.

• 社会群体的每一个组成分子,在一个现代城市和在原始部落一样,生来就是未成熟的,软弱无助的,没有语言、信仰、观念和社会准则。