He who advises a sick man, whose manner of life is prejudicial to health, is clearly bound first of all to change his patient's manner of life.

Knowledge is the rediscovering of our own insight.

Justice in the life and conduct of the State is possible only as first it resides in the hearts and souls of the citizens.

False words are not only evil in themselves, but they infect the soul with evil.

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.

Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.

An hour of play is worth a lifetime of conversation.