Nick Vujicic faced significant challenges due to being born without limbs, which initially led to feelings of inadequacy and low self-esteem. However, these struggles also fostered resilience and a strong sense of purpose, ultimately shaping a positive self-concept. Through his experiences, he developed empathy and a desire to inspire others, transforming perceived limitations into strengths. His journey illustrates the dual impact of adversity on self-identity, highlighting both the difficulties and the opportunities for growth.