The Republic by Plato Part 3 Page 57

Even so, as I maintain, neither we nor our guardians, whom we have to educate, can ever become musical until we and they know the essential forms of temperance, courage, liberality, magnificence, and their kindred, as well as the contrary forms, in all their combinations, and can recognise them and their images wherever they are found, not slighting them either in small things or great, but believing them all to be within the sphere of one art and study.

Most assuredly.

And when a beautiful soul harmonizes with a beautiful form, and the two are cast in one mould, that will be the fairest of sights to him who has an eye to see it?

The fairest indeed.

And the fairest is also the loveliest?