….These four elements – the heart, the mind, the soul and the spirit – can also be found in the human face, where each one of them carries out its work.
The heart takes care of the mouth, which is a result of how well our feelings work. The mouth reveals the heart, it is its visible image whereas the heart, itself, remains hidden.
The mind acts on the nose; it is the model according to which the nose is built. From the length of the nose, its position in the face, its pointed or round shape, its colour…we can know the intellectual characteristics of a person.
The soul takes care of the eyes: according to the eyes we can guess the strengths and weaknesses of the soul. The spirit acts on the forehead: from the forehead we can know the resistance, the nobility, the power, the high qualities of the spirit, or else the vices which prevent it from manifesting.
Here we have two feminine elements: the mouth and the eyes, and two masculine elements: the nose and the forehead. That is two fathers and two mothers. So where are the children?
…The absence of children does not conform to the laws of nature. (…) In nature, if there are no children, there is no joy. Children are like water, they are the fruit of the combination of beings. When this combination takes place, water bursts forth so as to vivify and nourish creatures. The same phenomenon occurs in the psychic life: each combination – between the heart and the mind; the soul and the spirit – gives birth to a child in the physical realm. The child of the mouth and the nose (heart and mind) is the chin; the child of the eyes and the forehead (soul and spirit) is the upper part of the skull.
The chin reveals the will, the capacity for resistance, for action on the physical plane. The upper centre situated at the top of the head represents the divine will, the actions for good, for the love of God and humans, stability, perseverance in the divine ideal.
Œuvres Complètes, chap. III, chap. 4 : ”Ce que révèle le visage human”