Read the following excerpt from a dialogue in a novel, where a character discusses personal growth:
"I used to believe that success was based on tangible achievements, like promotions or awards. But now, as I reflect back, I realize that true success comes from overcoming internal struggles and learning from failures. It’s about resilience and the courage to continue despite the odds. I think my journey has taught me that personal growth is a lifelong process, one that often happens quietly, without applause or recognition."
What is the primary purpose of this dialogue excerpt in terms of its audience?