Full Idea
More men become good through practice than by nature.
Clarification
'Nature' is the Greek word 'physis'
Gist of Idea
Virtue comes more from practice than from nature
Source
Democritus (attrib) (reports [c.250 BCE], B242), quoted by John Stobaeus - Anthology 3.29.66
Book Reference
'Ancilla to the Pre-Socratic Philosophers', ed/tr. Freeman,Kathleen [Harvard 1957], p.113