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"The various objects on the surface of the earth may be divided into two great classes, the living and the non-living; the former being characterized by the possession of certain properties which the latter lack. The first of the distinctive properties of living matter is the power of movement; and of movement having an internal rather than an external origin. These movements are either from place to place, as in animals; or movements of growth and foliage as in plants. It is by the property of movement that we instinctively distinguish living and lifeless."
These sentences, introductory to chapter I of "Mr." Mathews book—in former days he objected to Doctor or Professor—recall lectures and discussions which for this reviewer, as a beginning student of medicine, were vivid and memorable. Mathews then, in 1907, recently had been elevated to the chair of physiologic chemistry at the University of Chicago. Much that
Physiological Chemistry. Arch Intern Med (Chic). 1941;67(1):238–239. doi:10.1001/archinte.1941.00200010248016
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