For though a man should be a complete unbeliever in the being of gods; if he also has a native uprightness of temper, such persons will detest evil in men; their repugnance to wrong disinclines them to commit wrongful acts; they shun the unrighteous and are drawn to the upright.

Music is to the mind as air is to the body.

Everywhere there is one principle of justice, which is the interest of the stronger.

Trees and fields tell me nothing: men are my teachers.

. . . you did not seem to me over-fond of money. And this is the way in general with those who have not made it themselves, while those who have are twice as fond of it as anyone else. For just as poets are fond of their own poems, and fathers of their own children, so money-makers become devoted to money, not only because, like other people, they find it useful, but because it's their own creation.

Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.

Music is the movement of sound to reach the soul for the education of its virtue.