The Truth About Exercise Addiction: Understanding the Dark ...
Katherine Schreiber
Paul Christesen and Donald G. Kyle, A Companion to Sport and Spectacle in Greek and Roman Antiquity (Malden, MA: Wiley-Blackwell, 2014), 609. 5. Xenophon, Memorabilia, c. 371 BC, quoted in E. Norman Gardiner, Athletics in the Ancient ...