Music is the movement of sound to reach the soul for the education of its virtue.
A dog has the soul of a philosopher.
It is fear and terror that make all men brave, except the philosophers. Yet it is illogical to be brave through fear and cowardice.
Of all the animals, the boy is the most unmanageable.
The good, of course, is always beautiful, and the beautiful never lacks proportion.
The greater part of instruction is being reminded of things you already know.