This alone I know, that I know nothing.
He who is not contented with what he has, would not be contented with what he would like to have.
There is only one good, knowledge, and one evil, ignorance.
For man, the unexamined life is not worth living.
I've not yet succeeded in obeying the Delphic injunction to know myself, and it seems to me absurd to consider problems about other beings while I am still in ignorance about my own nature.
The only true wisdom is in knowing you know nothing.
The unexamined life is not worth living.
The only true wisdom is to know that you know nothing.