《淮南子·诠言训》
以后又可根据不同的种类将它们区分开来，它们的物种、群体和生命形态也各不相同，但表现为有形这点上是一致的。
方以类别，物以群分，性命不同，皆形于有。
Later, they can be distinguished according to their different species, and their species, communities, and life forms are also different, but they all are tangible.