Full Idea
Nomos is king.
Clarification
'Nomos' means law or convention
Gist of Idea
Nomos is king
Source
Pindar (poems [c.478 BCE], S 169), quoted by Thomas Nagel - The Philosophical Culture
Book Reference
'Encyclopedia of Classical Philosophy', ed/tr. Zeyl,Donald J. [Fitzroy Dearborn 1997], p.521
A Reaction
This seems to be the earliest recorded shot in the nomos-physis wars (the debate among sophists about moral relativism). It sounds as if it carries the full relativist burden - that all that matters is what has been locally decreed.