In Arturo Pérez-Reverte's book "Good Men," the narrative explores the struggle for change within a country resistant to transformation. The characters grapple with societal forces that hinder progress, highlighting the tension between the desire for improvement and the weight of entrenched traditions. This resistance to change creates a challenging environment for those who aspire to make a difference.

The quote emphasizes the impact of these "dark forces," which symbolize various negative influences that can prevent societal advancement. It suggests that the complexities of human nature and historical context often conspire to maintain the status quo, making it difficult for individuals to enact meaningful change in their lives or communities.