Confidence

In fact, research has shown that people who spend a great deal of time on Facebook have lower levels of academic performance and are typically unhappier, especially when they perceive that their friends (who are uploading their own pictures onto Facebook) are happier than they are.

The habit of speaking well of oneself does not abruptly cease when the respondent turns from the self-esteem scale to the questionnaire asking for self-report of other behaviors. People who like to describe themselves in glowing terms will be inclined to report that they get along well with others, are physically attractive, do well in school and work, refrain from undesirable actions, and the like

“If you love yourself, your life will be perfect.”
“We all admire confident people—confidence is the most important asset in life and it will always lead to success and happiness.”
“We can all teach ourselves to be confident and then all our problems will be solved.”

“No matter what you do, be sure to love yourself for doing it.

If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle

As a consequence, those who lack confidence feel guilty and ashamed, and those who feel confident have unrealistic expectations about what their confidence will help them accomplish.

The illusion that high confidence can help us achieve anything we want puts an incredible amount of pressure on us to feel assertive, and to translate that assertiveness into success.

not easy to make your confidence soar, just like that

it would not bring us any genuine success

This obsession explains the near-universality of the celebrity cult, with a substantial proportion of the population worshipping those who worship themselves.