It is better to suffer an injustice than to commit one
Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.
The friend must be like money, that before you need it, the value is known.
There are two kinds of disease of the soul, vice and ignorance.
An unexamined life is a life of no account.
Creation is man's immortality and brings him nearest to the gods.