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Wellsprings
theology

The Holy / The Sacred

τὸ ὅσιον

What makes a holy act holy — is it sacred because the gods love it, or do the gods love it because it is already sacred?

To hosion, often translated as "piety" or "the holy," refers to actions and attitudes that align with divine will and religious propriety. The term became central to Greek ethics through Plato's dialogue *Euthyphro*, where Socrates persistently questions his interlocutor about what makes an action genuinely pious rather than merely customary or conventional. The inquiry treats holiness not as a collection of behaviors but as a definable essence—a single quality that all truly holy acts share.

Euthyphro believes he knows what holiness is and confidently prosecutes his own father for impiety, yet Socrates' questions repeatedly expose the inadequacy of each definition offered. This dialogue demonstrates that to hosion was a lived concern in Athenian law and morality, shaping serious decisions about justice and family obligation. The repeated demand for the "essential aspect" by which all holy acts are holy reveals Greek philosophy's characteristic turn: transforming a religious and social concept into a problem requiring rational analysis and definition.

Where this idea shows up

81 Greek sources

Where to read it