528. It can be confirmed from many things that from their face they can know what others have thought, that is, that they can speak by means of the face, especially those who from infancy talk little and who do not learn to simulate, for all things then make themselves known in the face with every least difference. Spirits can skillfully represent this by means of the face which is formed, and transfers all the varieties of a single affection, and this by means of a continuous transformation.