Full Idea
The Cyrenaics say that some of the virtues may exist even in the foolish.
Gist of Idea
Even the foolish may have some virtues
Source
report of Aristippus the younger (fragments/reports [c.335 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 02.7.8
Book Reference
Diogenes Laertius: 'Diogenes Laertius', ed/tr. Yonge,C.D. [Henry G. Bohn 1853], p.91