15. Esse is not Esse unless it exists because before this it is not in a form, and if it is not in a form it has no quality, and that which has no quality is not anything. That which exists from Esse makes one with it by reason that it is from Esse. From this there is a uniting into one, hence it is that the one is the other's mutually and reciprocally, and the one is the all in all of the other as in itself.