Socrates believes that the person who is aware of her or his ignorance possesses a common sense regarding it or a lack of hubris regarding his knowledge. Hubris is a term commonly used in ancient Greek to describe a person’s excessive pride in oneself.
He or she acknowledges her or his shortcomings regarding the knowledge that she or he is lacking, which makes him a wiser individual compared to the person who thinks that he knows something when he doesn’t.