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 accent ancient Greek music that survive, especially the two hymns inscribed on a stone in Delphi in the 2nd century BC, appear to follow the accents of the words very closely, and can be used to provide evidence for how the accent was pronounced. Sometime between the 2nd and 4th centuries AD the distinction between acute, grave, and circumflex disappeared and all three accents came to be pronounced as a stress accent, generally heard on the same syllable as the pitch accent in ancient Greek. The ancient Greek grammarians indicated the word-accent with three diacritic signs: the acute (ά), the circumflex