For just as poets love their own works, and fathers their own children, in the same way those who have created a fortune value their money, not merely for its uses, like other persons, but because it is their own production. This makes them moreover disagreeable companions, because they will praise nothing but riches.
PlatoThe music masters familiarize children's minds with rhythms and melodies, thus making them more civilized, more balanced, better adjusted in themselves, and more capable in whatever they say or do, for rhythm and harmony are essential to the whole of life.
Plato