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 grammar Homeric Greek, there was no definite article as such, the corresponding forms still having their original use as demonstrative pronouns. The definite article is declined thus: Ancient Greek adjectives agree with the nouns they modify in case, gender, and number. There are several different declension patterns for adjectives, and most of them resemble various noun declensions. The boundary between adjectives and nouns is somewhat fuzzy in Ancient Greek: adjectives are frequently used on their own without a noun, and Greek grammarians called both of them (), meaning "name" or "noun". Verbs have four moods (indicative, imperative, subjunctive and optative), three