Geometry will draw the soul toward truth and create the spirit of philosophy.

Rhythm and melody enter into the soul of the well-instructed youth and produce there a certain mental harmony hardly obtainable in any other way. . . . thus music, too, is concerned with the principles of love in their application to harmony and rhythm.

No one is a friend to his friend who does not love in return.

A state arises,as I conceive,out of the needs of mankind;no one is self-sufficing,but all of us have many wants

The eyes of the soul of the multitudes are unable to endure the vision of the divine.

In order to be a good soldier it is necessary to know how to dance.

To begin with the wine jar in learning the potter's art.