Sophrosyne an important topic for Plato. It is main subject of the dialogue "Charmides", wherein several definitions are proposed but no conclusion reached; however the dramatic context connotes moral purity and innocence. An etymological meaning of sophrosyne as "moral sanity" is proposed in "Cratylus" 411e. Plato's view of sophrosyne is related to Pythagorean "harmonia" ("Republic" 430e−432a, 442c) and closely linked with Plato’s tripartite division of the soul: "sophrosyne" is the harmonious moderation of the appetitive and spirited parts of the soul by the rational part (e.g., "Phaedrus" 237c−238e). For the Stoic, Zeno of Citium, "sophrosyne" is one of the four chief
Ancient Greek astronomy refers to the work of many of his predecessors (Evans 1998, p. 24). In addition to the authors named in the article, the following list of people who worked on mathematical astronomy or cosmology may be of interest. http://ircamera.as.arizona.edu/NatSci102/NatSci/lectures/greekast.htm Ancient Greek astronomy Greek astronomy is astronomy written in the Greek language in classical antiquity. Greek astronomy is understood to include the ancient Greek, Hellenistic, Greco-Roman, and Late Antiquity eras. It is not limited geographically to Greece or to ethnic Greeks, as the Greek language had become the language of scholarship throughout the Hellenistic world following the conquests of Alexander. This