The Notebooks of Leonardo Da Vinci — Complete eBook

This eBook from the Gutenberg Project consists of approximately 845 pages of information about The Notebooks of Leonardo Da Vinci — Complete.

The Notebooks of Leonardo Da Vinci — Complete eBook

This eBook from the Gutenberg Project consists of approximately 845 pages of information about The Notebooks of Leonardo Da Vinci — Complete.

Of all human opinions that is to be reputed the most foolish which deals with the belief in Necromancy, the sister of Alchemy, which gives birth to simple and natural things.  But it is all the more worthy of reprehension than alchemy, because it brings forth nothing but what is like itself, that is, lies; this does not happen in Alchemy which deals with simple products of nature and whose function cannot be exercised by nature itself, because it has no organic instruments with which it can work, as men do by means of their hands, who have produced, for instance, glass &c. but this Necromancy the flag and flying banner, blown by the winds, is the guide of the stupid crowd which is constantly witness to the dazzling and endless effects of this art; and there are books full, declaring that enchantments and spirits can work and speak without tongues and without organic instruments—­ without which it is impossible to speak—­ and can carry heaviest weights and raise storms and rain; and that men can be turned into cats and wolves and other beasts, although indeed it is those who affirm these things who first became beasts.

And surely if this Necromancy did exist, as is believed by small wits, there is nothing on the earth that would be of so much importance alike for the detriment and service of men, if it were true that there were in such an art a power to disturb the calm serenity of the air, converting it into darkness and making coruscations or winds, with terrific thunder and lightnings rushing through the darkness, and with violent storms overthrowing high buildings and rooting up forests; and thus to oppose armies, crushing and annihilating them; and, besides these frightful storms may deprive the peasants of the reward of their labours.—­Now what kind of warfare is there to hurt the enemy so much as to deprive him of the harvest?  What naval warfare could be compared with this?  I say, the man who has power to command the winds and to make ruinous gales by which any fleet may be submerged, —­surely a man who could command such violent forces would be lord of the nations, and no human ingenuity could resist his crushing force.  The hidden treasures and gems reposing in the body of the earth would all be made manifest to him.  No lock nor fortress, though impregnable, would be able to save any one against the will of the necromancer.  He would have himself carried through the air from East to West and through all the opposite sides of the universe.  But why should I enlarge further upon this?  What is there that could not be done by such a craftsman?  Almost nothing, except to escape death.  Hereby I have explained in part the mischief and the usefulness, contained in this art, if it is real; and if it is real why has it not remained among men who desire it so much, having nothing to do with any deity?  For I know that there are numberless people who would, to satisfy a whim, destroy God and all the universe; and if this necromancy, being, as it were, so necessary to men, has not been left among them, it can never have existed, nor will it ever exist according to the definition of the spirit, which is invisible in substance; for within the elements there are no incorporate things, because where there is no body, there is a vacuum; and no vacuum can exist in the elements because it would be immediately filled up.  Turn over.

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The Notebooks of Leonardo Da Vinci — Complete from Project Gutenberg. Public domain.