"No and Yes" explores the duality and contrast inherent in decision-making, presenting a narrative rich with opposites and conflict. The story delves into the complexities of choices and the resolution that follows. Through the perspectives of two protagonists, one who embodies affirmation and agreement, and the other who personifies denial and disagreement, the book highlights the importance of understanding and balance. The book is significant within the Christian Science community as it provides a detailed exposition of Eddy's theological views and serves as a reference for understanding and practicing Christian Science. It addresses common questions and debates within the movement, helping adherents to deepen their understanding of their faith. As they navigate their opposing viewpoints, the characters engage in deep communication and negotiation, striving to find clarity and acceptance. Their journey reveals the contradictions and consequences of their decisions, ultimately leading to a nuanced understanding of when to say "No" and when to say "Yes." The narrative underscores the importance of perspective and the impact of choices on personal and shared realities. Overall, No and Yes reflects Eddy's commitment to clarifying and defending the principles of Christian Science, offering readers a detailed exploration of key doctrinal issues and spiritual insights.