The Notebooks of Leonardo Da Vinci Complete


google search for The Notebooks of Leonardo Da Vinci Complete

Return to Master Book Index.

Page
940 941 942 943 944

Quick Jump
1 306 613 919 1225

being so, a spirit can have neither voice, nor form, nor strength.  
And if it were to assume a body it could not penetrate nor enter  
where the passages are closed. And if any one should say that by  
air, compressed and compacted together, a spirit may take bodies of  
various forms and by this means speak and move with strength--to him  
I reply that when there are neither nerves nor bones there can be no  
force exercised in any kind of movement made by such imaginary  
spirits.  
Beware of the teaching of these speculators, because their reasoning  
is not confirmed by experience.  
1
213.  
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,  
942  


Page
940 941 942 943 944

Quick Jump
1 306 613 919 1225