Cain stated that the personalities of introverted leaders are described as having the following personalities: "quiet, humble, modest, reserved, shy, kind, gentle, shy, understated" (Cain 55). The examples Cain provided to readers determined that the qualities of introverts could guide them successfully in their field and career. Darwin Smith's success story proved that introverted personalities would be beneficial for them. His example demonstrated the power of introverts, and the unpretentious appearance should not be complicated for an intimate or lacking person