In "The World According to Bertie," Alexander McCall Smith explores the theme of resilience in life through memorable characters and their experiences. The narrative highlights how unique aspects of human existence, memories, and relationships endure despite challenges and adversities that may arise over time.

The quote, "Special things have a way of surviving," suggests that the intrinsic value of certain elements in life, such as love and connection, remains strong. It emphasizes that even amidst change, what is truly meaningful will continue to resonate and exist, affirming the enduring qualities of special moments or things in our lives.