36. If we contemplate the human head from this spiritual point of view, we shall find in it a help to the understanding of spiritual Imaginations. For in the forms of the head, Imaginative forms are as it were coagulated to the point of physical density.
37. Similarly, if we contemplate the rhythmic part of man's organization it will help us to understand Inspirations. The physical appearance of the rhythms of life bears even in the sense-perceptible picture the character of Inspiration. Lastly, in the system of the metabolism and the limbs — if we observe it in full action, in the exercise of its necessary or possible functions — we have a picture, supersensible yet sensible, of pure supersensible Intuitions.