Final answer:
Self-confidence is the belief in one's own abilities and qualities, which enhances a person's ability to face challenges and take actions with assurance. It is linked to self-concept and self-efficacy and is bolstered by experiences, reflections, and being true to oneself.
Step-by-step explanation:
Self-confidence is the belief in one's own abilities and qualities, giving a person the courage to face challenges, express their opinions, and take action with assurance. It involves positive thoughts and feelings about oneself, as described by our internal self-talk and the responses we perceive from the world around us, forming our self-concept. When we believe that we are capable of controlling outcomes, this belief contributes to a strong sense of self-efficacy, which is directly related to our confidence. Conversely, believing that outcomes are outside our control may diminish our self-confidence. Through a combination of experiences and reflections, we develop our personal sense of self, using others' reactions as a mirror that reflects our self-image. This is well-supported by the saying from Hamlet, rephrased for clarity as "Be true to yourself." Over time, and often through dedicated effort, like training sessions, individuals can improve their self-confidence, which is fundamental to achieving personal excellence and resilience in the face of adversities.