According to Socrates, “an unexamined life is not worth living.” What did Socrates mean by this? When ethics asks that we live mindfully, how does this notion advance Socrates’ observation about living life?

According to Socrates, “an un-examined life is not worth living.” What did Socrates mean by this? When ethics asks that we live mindfully, how does this notion advance Socrates’ observation about living life?