Galen: On the Natural Faculties by Galen

2 by Galen, Galen, Brock, Arthur John, 1878-1947

Chapter 36: Chapter VI

Chapter 36: Chapter VI

Every organic part has an _appetite_ and _aversion_ for the qualities which are appropriate and foreign to it respectively. Attraction necessarily leads to a certain _benefit_ received. This again necessitates _retention_.
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