Full Idea
A man should study philosophy up to the point of looking on generals and donkey-drivers in the same light.
Gist of Idea
Everyone should study philosophy until they see all people in the same light
Source
report of Crates (Theb) (fragments/reports [c.325 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 06.Cr.9
Book Reference
Diogenes Laertius: 'Diogenes Laertius', ed/tr. Yonge,C.D. [Henry G. Bohn 1853], p.252
A Reaction
This seems to reject Aristote's idea that some people are clearly superior to others.