The wise man belongs to all countries, for the home of a great soul is the whole world.

Medicine heals diseases of the body, wisdom frees the soul from passions.

Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence.

These differences, they say, are three: shape, arrangement, and position; because they hold that what is differs only in contour, inter-contact, inclination.

Nature and education are somewhat similar. The latter transforms man, and in so doing creates a second nature.

Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly.

Soul and intellect are just the same things.