Full Idea
We are made for cooperation, like feet, like hands, like eyelids, like the rows of upper and lower teeth. To act against one another, then, is contrary to nature.
Gist of Idea
Humans are naturally made for co-operation
Source
Marcus Aurelius (The Meditations (To Himself) [c.170], 2.1)
Book Reference
'Essential Works of Stoicism', ed/tr. Hadas,Moses [Bantam 1961], p.111