So it is reasonable that Nature should perform
most of her operations using breath as an instrument, for as some
instruments serve many uses in the arts, e.g. the hammer and anvil
in the smith's art, so does breath in the living things formed by
Nature. But to say that necessity is the only cause is much as if we
should think that the water has been drawn off from a dropsical
patient on account of the lancet, not on account of health, for the
sake of which the lancet made the incision.
We have thus spoken of the teeth, saying why some are shed and
grow again, and others not, and generally for what cause they are
formed. And we have spoken of the other affections of the parts
which are found to occur not for any final end but of necessity and on
account of the motive or efficient cause.
-THE END-
.
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