A series of underlying principles and values inherited from Ancient Greece are still central to the modern Olympic spirit. For example, the London 2012 theme of ‘truce’ echoed the Ancient Olympic tradition of ekecheiria (sacred peace)

https://www.open.edu/openlearn/health-sports-psychology/health/sport-and-fitness/the-ancient-olympics-bridging-past-and-present/content-section-0?intro=1

Tags - Ancient Olympics, Modern Olympics