/ · The Notebooks of Leonardo da Vinci

842

Miscellaneous physiological observations.

Lust is the cause of generation.

Appetite is the support of life. Fear or timidity is the prolongation of life and preservation of its instruments.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

841 * 843
XIII * XVI
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Notebooks of Leonoardo da Vinci
XIV: Anatomy, Zoology and Physiology.
. . .
muscles.
822,
823,
824,
825,
826
Comparative study of the organs of sense in men and animals.
827
Advantages in the structure of the eye in certain animals.
828,
829,
830,
831
Remarks on the organs of speech.
832,
833
On the conditions of sight.
834,
835
The seat of the common sense.
836
On the origin of the soul.
837
On the relations of the soul to the organs of sense.
838
On involuntary muscular action.
839
Miscellaneous physiological observations.
840,
841,
842
The laws of nutrition and the support of life.
843,
844,
845,
846,
847
On the circulation of the blood.
848,
849,
850
Some notes on medicine.
851,
852,
853,
854,
855,
856
The earth’s place in the universe.
857,
858
The fundamental laws of the solar system.
859,
860,
861,
862
. . .