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Artisan original Latin: Artifici everything into his hand that he needs for the execution of his work, especially the material and formal causes original Latin: causam materialem vnnd formalem; in Aristotelian philosophy, these refer to the physical matter and the essential design or "blueprint" of an object: which the Artisan original Latin: Artifex must follow in almost everything if he wishes to make his Stone original Latin: Lapidem; the Philosopher’s Stone. He must take the same spirits original Latin: Spiritus; in alchemy, these are volatile substances or life-forces believed to animate matter that Nature uses: He must also proceed in the same manner and follow the same path that Nature takes when she generates metals in the bowels of the earth original Latin: in visceribus terræ. Peter the Philosopher Likely Petrus Bonus, a 14th-century Italian physician and influential alchemical writer says:
Art produces medicine from the same principles, or entirely similar ones, from which nature produces metals. original Latin: "Ars ex iisdem principiis, aut omnino similibus, generat medicinam, ex quibus natura generat metalla."
From this it follows, that whoever [is] a