The life which is unexamined is not worth living.
Attention to health is life's greatest hindrance.
The gods' service is tolerable, man's intolerable.
When the mind is thinking it is talking to itself.
Knowledge becomes evil if the aim be not virtuous.
The greatest wealth is to live content with little.
They certainly give very strange names to diseases.
No law or ordinance is mightier than understanding.
Not to help justice in her need would be an impiety.
Of all the animals, the boy is the most unmanageable.