Final Answer:
In Chapter 6 of "The Architecture of Happiness," the reference to the plough signifies a metaphor for the transformative and redemptive power of architectural beauty and design in shaping human experiences and emotions.
Step-by-step explanation:
In "The Architecture of Happiness" by Alain de Botton, Chapter 6 explores the idea that architecture has the ability to impact our emotions and well-being. The reference to the plough is a metaphorical device used by the author to convey the transformative power of beautiful architecture. The plough, traditionally associated with farming and cultivation, symbolizes the potential for architectural beauty to "cultivate" positive emotions, inspire contemplation, and contribute to the overall well-being of individuals. The plough serves as a metaphor for the capacity of architecture to shape and enrich human experiences by creating environments that resonate with a sense of beauty and meaning.