The quote reflects a sense of gratitude for finding peace away from the chaos of urban life. The speaker acknowledges that this tranquil mood is becoming less frequent, suggesting an evolution towards a more serene state of mind. By distancing themselves from the noise and distractions of the city, they have created a space that allows for introspection and calm.
Additionally, the mention of "wise books" symbolizes the pursuit of knowledge and enlightenment. The imagery of books as "bright windows" implies that literature offers clarity and insight into life's complexities, inviting the wisdom of great thinkers. This appreciation for solitude and reflection highlights the importance of seeking inner peace through understanding and learning.