If everyone actually knew how little they know, they wouldn't be cocky. There's nothing wrong with being self-assured in what you do know, and honest about wha

If everyone actually knew how little they know, they wouldn't be cocky. There's nothing wrong with being self-assured in what you do know, and honest about what you don't, but cockiness does seems to be a good indicator of an individual's ignorance of his (or her) own ignorance.