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FUNDAMENTAL PRINCIPLES OF THE METAPHYSIC OF MORALSby Immanuel Kanttranslated by Thomas Kingsmill AbbottPREFACEAncient Greek philosophy was divided into three sciences: physics,ethics, and logic. This division is perfectly suitable to the natureof the thing; and the only improvement that can be made in it is toadd the principle on which it is based, so that we may both satisfyourselves of its completeness, and also be able to determine correctlythe necessary subdivisions.All rational knowledge is