De metallorum ortu & causis

that is, the first act of a body, can be said to be nothing other than the perfection of this body in which it resides. This "act" is present in all natural bodies. Therefore, all bodies are perfect within their own species. Who, besides some stupid ciniflonem ash-blower; a derogatory term for a common alchemist who works at the bellows, denies that individual metals have their own substantialem formam substantial form by which they exist? Lead would certainly not be a metal unless it participated in the species and essential form of metal. But truly, it is more than sufficiently clear to everyone that lead is a metal. Added to this is the fact that pious Nature, the parent of natural things, by no means ceases or rests in performing her duty unless she is hindered, until she has reached the goal proposed for herself. This is clearly shown to us in the generatione hominis generation of a human, in which the seed of the man and the woman and the maternal blood are cast together: of which the seed becomes both the material and the efficient principle of generation