Heinemann, G., 2005. [2005c] Philosophy and Spectatorship. Competitive and Non-Competitive Virtues in Pre-Platonic Conceptions of sophia and philosophia, in: Boudouris, K. (Hrsg.), Philosophy, Competition and Good Life (Proc. Ist World Olympic Congress of Philosophy, Athens-Spetses, June 27- July 4, 2004) - Arbeitstitel. Ionia, Athen.