Surely this is the objectionable kind of ignorance, to think one knowswhat one does not know? But in this, gentlemen, here also perhaps Iam different from the general run of mankind, and if I should claimto be wiser than someone in something it would be in this, that as Ido not know well enough about what happens in the house of Hades,so I do not think I know.

Surely this is the objectionable kind of ignorance, to think one knows what one does not know? But in this, gentlemen, here also perhaps I am different from the general run of mankind, and if I should claim to be wiser than someone in something it would be in this, that as I do not know well enough about what happens in the house of Hades, so I do not think I know.

He said that there was one only good, namely, knowledge; and one only evil, namely, ignorance.

There are two kinds of disease of the soul, vice and ignorance.

Awareness of ignorance is the beginning of wisdom.

The bad one is that way because of the ignorance, therefore he can be healed with wisdom.