On Youth and Old Age, on Life and Death,: On Breathing

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Author: Aristotle  | Date: 350 BC

CHAPTER 24 (18)

Generation is the initial participation, mediated by warm substance, in the nutritive soul, and life is the maintenance of this participation. Youth is the period of the growth of the primary organ of refrigeration, old age of its decay, while the intervening time is the prime of life.

A violent death or dissolution consists in the extinction or exhaustion of the vital heat (for either of these may cause dissolution), while natural death is the exhaustion of the heat owing to lapse of time, and occurring at the end of life. In plants this is to wither, in animals to die. Death, in old age, is the exhaustion due to inability on the part of the organ, owing to old age, to produce refrigeration. This then is our account of generation and life and death, and the reason for their occurrence in animals.

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Chicago: Aristotle, "Chapter 24 (18)," On Youth and Old Age, on Life and Death,: On Breathing, trans. G. R. T. Ross Original Sources, accessed August 7, 2022, http://www.originalsources.com/Document.aspx?DocID=3XF6AFU3EFXLSW9.

MLA: Aristotle. "Chapter 24 (18)." On Youth and Old Age, on Life and Death,: On Breathing, translted by G. R. T. Ross, Original Sources. 7 Aug. 2022. http://www.originalsources.com/Document.aspx?DocID=3XF6AFU3EFXLSW9.

Harvard: Aristotle, 'Chapter 24 (18)' in On Youth and Old Age, on Life and Death,: On Breathing, trans. . Original Sources, retrieved 7 August 2022, from http://www.originalsources.com/Document.aspx?DocID=3XF6AFU3EFXLSW9.