Why is firm cultural self-confidence more basic, broader and deeper?

Firm cultural self-confidence is more basic, broader and deeper, because it is more profound self-confidence, including cultural history, tradition, beliefs and values, that is, self-confidence based on traditional culture, not just academic skills or superficial knowledge. Cultural self-confidence emphasizes the affirmation and understanding of one's own cultural background, including social details such as society, history, family, interpersonal value, etc., which gives a deeper level of self-confidence. It is a more firm and extensive self-confidence, which enables us to become confident and firm people.