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Paracelsus, whose writings are a divine light. If one could find his chemical Psalter a book of psalms or a collection of primary instructions or handbook, one would see the most secret natural doctrine of the entire alchemical the art of transmuting metals and spirit science without any veil. However, this present treatise is just as good. Therefore, value it highly. The treatise by Paracelsus on Tinctures medicinal or transmuting extracts is also not to be despised.
The handbook and dialogue by Lullius Ramon Llull under the title Tree of Life original: "Holz des Lebens" is very good. His other writings, much like those of Geber and Arnold Arnold of Villanova, are a labyrinth of poems and recipes.
Among the writings of the middle period, the following seem to be of honest spirit and blessed doctrine: Zacherus, Bernard, Count of Trevisan original: "Bernhard Graf zu Tervis", Roger Bacon original: "Rogerius Bacon", and the Rosary of the Philosophers original: "Rosarium Philosophorum". The author of Physics Restored original: "physicae restitutae" is very deceptive.
The New Chemical Light original: "Sendivogii neues chymisches Licht" by Sendivogius, or his twelve small treatises on the Philosopher's Stone original: "Stein der Weisen", and his dialogues, are excellent. They must be read often with much attention and reflection. For he has placed many things therein after the manner of the an-