Full Idea
As in every case (an artefact, a body, a mind, a creature), a good state is an organised and orderly state.
Clarification
'Mind' is the Greek word 'psuché', which covers mind and consciousness and life
Gist of Idea
As with other things, a good state is organised and orderly
Source
Plato (Gorgias [c.378 BCE], 506e)
Book Reference
Plato: 'Gorgias', ed/tr. Waterfield,Robin [OUP World's Classics 1994], p.104