Lecture X
Thus the human being lives in a universe whose rhythm is the same as that of the universe itself. But only the human being, not the animal; in just these finer details of knowledge one finally sees the difference between the human and the animal. The essential nature of the human physical body can only be realized if it is related to the Platonic cosmic year; 25,920 years: in that span of time the nature of our physical body is rooted. Take a look in An Outline of Esoteric Science at the tremendous time periods, at first determined otherwise than by time and space as we know them, through the metamorphosis of sun, moon, and earth. Look at all the things that had to be brought together, but not in any quantitative way; then you can begin to understand the present human physical body with all its elements.