In "A Breath of Snow and Ashes," Diana Gabaldon explores the interplay of good and evil through the characters' discussions. The phrase "intended to repel Evil" suggests that the conversations serve as a means to ward off negativity and malevolence. This theme underscores the struggles the characters face as they navigate a world filled with challenges and threats, reinforcing their search for moral fortitude.

The significance of the dialogue reflects not only the character's battle against external evils but also their internal conflicts. Their exchanges are more than mere conversation; they are a protective measure, a way to fortify their spirits against the darkness that surrounds them. Through these interactions, Gabaldon emphasizes the importance of connection and communication in overcoming adversities.