The works of Theophrast von Hohenheim, known as Paracelsus, are based on a way of thinking, which he himself calls "philosophia adepta." Although the term appears only in his later works, it still forms his early writing. The common translation of this curious term does not allow any conclusion concerning that way of thinking, but it points to a spiritual surroundings, in which "adeptus" meant the honorary title for the person who achieved the philosophical aim, that is, he who found the "lapis philosophorum", points to the circles of the alchemists. Alchemy was more than only a plump or refined humbug. It was, at least in its possibilities, a doctrine of the metallic nature and its powers, and in this respect it might be called a natural ...