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the worthy deeds of his forefathers, full of the most admirable and
ornamental passages; and so composed a bald work worthy only of
those impatient spirits, who fancy they are losing as much time as
that which they employ usefully in studying the works of nature and
the deeds of men. But these may remain in company of beasts; among
their associates should be dogs and other animals full of rapine and
they may hunt with them after...., and then follow helpless beasts,
which in time of great snows come near to your houses asking alms as
from their master....
On spirits (1211--1213).
1
211.
O mathematicians shed light on this error.
The spirit has no voice, because where there is a voice there is a
body, and where there is a body space is occupied, and this prevents
the eye from seeing what is placed behind that space; hence the
surrounding air is filled by the body, that is by its image.
1
212.
There can be no voice where there is no motion or percussion of the
air; there can be no percussion of the air where there is no
instrument, there can be no instrument without a body; and this
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