Vanity is related to feelings of inferiority. One who doesn't have a sense of self-fulfillment may want to show other people they possess something remarkable. Even when their wisdom, their learning, and skills are nothing particular, they still want to show people that they are a person of status and worthy of people's admiration. However, this kind of satisfaction won't do anything for their development of character and wisdom. It's just about putting on a show to impress others.
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