"A pair of blue eyes" is a novel by the English writer Thomas Hardy, which tells the story of a young architect, Stephen Smith, who comes to the coast of Cornwall to help a local plasterer. Here he meets Elfrida Svenden, whose beautiful appearance and natural passion easily won his heart. However, the beginning of their love is troubled by moral principles and social restrictions. The novel "A Pair of Blue Eyes" is quite an important work in Hardy's work, as it explores the themes of love, jealousy and devotion, and also highlights the clash of individual desires and societal expectations. This is a work that remains relevant and attracts readers with its depth and bright images.