The god is the beautiful.
The flute is not an instrument that has a good moral effect - it is too exciting.
Nothing in the affairs of men is worthy of great anxiety.
One man cannot practice many arts with success.
Too much attention to health is a hindrance to learning, to invention, and to studies of any kind, for we are always feeling suspicious shootings and swimmings in our heads, and we are prone to blame studies from them.
Wisest is he who knows what he does not know.