Preface.

knowledge of natural things and of the fire; therefore, work and practice are required for it. On the other hand, and most importantly, God's blessing is needed, which we must obtain through earnest and unceasing prayer. Since this secret of the Stone original: "arcanum Lapidis"; refers to the Philosopher's Stone has been given to us by God primarily so that we may maintain a long life through it and drive away all sicknesses, I have wished to dedicate this little book by Theophrastus on the Philosopher's Stone original: "Theophrasti de Lapide Philosophico"; referring to the works of Paracelsus to Your Princely Grace. May Your Princely Grace most graciously consider what an unspeakable treasure it would be if this secret original: "arcanum" were put into practice; for what higher thing may