13. The Relationships Between Spiritual Science and Individual Academic Subjects III
But if one makes an effort to enter into the complexity of the phenomena, then one can transfer the spirit from one area to another. But then one must proceed by saying to oneself: There are epochs in human life that, in a certain way, come to a close and give way to new epochs through significant turning points. Two such epochs in human development – of course there are also epochs in animal development, but I am only talking about human development now – two such epochs are, for example, the change of teeth towards the seventh year and then again sexual maturity towards the fourteenth year. The change of teeth and sexual maturation are such turning points. Now it is a matter of really grasping, through concrete observation, what happens in the development of human life up to these turning points.