Full Idea
The man who would pursue the right way to his goal must begin, when he is young, by contemplating physical beauty.
Clarification
'Beauty' is the Greek word 'kalos', which also translates as 'fine'
Gist of Idea
The first step on the right path is the contemplation of physical beauty when young
Source
Plato (The Symposium [c.373 BCE], 210a)
Book Reference
Plato: 'The Symposium', ed/tr. Hamilton,W [Penguin 1951], p.92