In every healthy society there are three physiological types, gravitating toward differentiation but mutually conditioning one another, and each of these has its own hygiene, its own sphere of work, its own special mastery and feeling of perfection.

在每一个健康的社会中，都有三种生理类型，它们倾向于分化但又相互制约，每一种都有自己的卫生习惯、自己的工作范围、自己的特殊掌握和完美感。