非必要不证明自己，无利益不说服别人

Core Viewpoint - The article emphasizes the importance of self-acceptance and the futility of seeking validation from others, illustrating this through the experiences of J.K. Rowling and other examples of individuals who have faced criticism and controversy [4][8][33]. Group 1 - J.K. Rowling faced backlash for her work and personal beliefs, initially trying to defend herself but later choosing to write for herself and her true readers [5][7]. - The article discusses the shift in Rowling's approach from seeking validation to embracing her success, highlighting that external opinions should not dictate one's self-worth [8][18]. - It suggests that engaging in arguments or trying to prove oneself often leads to unnecessary emotional turmoil and distraction from personal growth [17][20]. Group 2 - The narrative includes a story about an old professor who chooses not to engage in a debate over the value of a book, illustrating the wisdom of conserving energy for more meaningful pursuits [22][25]. - The article mentions a public figure, 大冰, who calmly deflected criticism by acknowledging the critic's feelings, demonstrating that ignoring negativity can disarm hostile interactions [28][30]. - It concludes that true maturity involves focusing on personal development and respecting differences, rather than getting caught up in the opinions of others [33][34].