Step 1: Central Idea of 'A Thing of Beauty.'
The central idea of John Keats' poem 'A Thing of Beauty' revolves around the concept that beauty is eternal and has the power to uplift the human soul. Keats suggests that beautiful things provide a lasting sense of joy and serenity. Beauty, whether in nature or art, is a source of solace and sustenance for the mind, and it helps to endure life's challenges. The poem reflects on how beauty can bring peace and joy, transcending the impermanence of life.
Step 2: Conclusion.
In essence, 'A Thing of Beauty' conveys that beauty is a source of spiritual nourishment, offering eternal comfort and tranquility even in the face of adversity.