In the dialogue, Isabel highlights a critical issue in human thinking: the tendency to cling to conventional beliefs and ideas. She argues that if society remains trapped in outdated perspectives, it risks stagnation and fails to make genuine progress. By referencing the historical belief that the sun revolved around the earth, she emphasizes the importance of challenging existing notions to foster advancement.

Isabel's assertion serves as a reminder that innovation often requires embracing radical ideas. It suggests that the willingness to question and reconsider established views is essential for growth and development. Only by breaking free from the constraints of traditional thinking can individuals and society achieve meaningful change.