Full Idea
The only responsibility of a good member of a community is altering the community's needs rather than going along with them.
Gist of Idea
A good citizen won't be passive, but will redirect the needs of the state
Source
Plato (Gorgias [c.378 BCE], 517b)
Book Reference
Plato: 'Gorgias', ed/tr. Waterfield,Robin [OUP World's Classics 1994], p.120