Full Idea
The bodiless things, being the most beautiful and the greatest, are only shown with clarity by speech and nothing else.
Gist of Idea
Non-physical beauty can only be shown clearly by speech
Source
Plato (The Statesman [c.356 BCE], 286a)
Book Reference
Plato: 'Statesman', ed/tr. Bernadete,Seth [University of Chicago 1986], p.37
A Reaction
Unfortunately this will be true of warped and ugly ideas as well.