巴尔达萨雷·卡斯蒂利奥内

Baldassarre Castiglione was an Italian Renaissance writer best known for *The Courtier*, a influential book about how nobility should behave and conduct themselves in court society. His work shaped ideas about refinement, education, and social conduct across Europe during and after the Renaissance, making him an important figure in the development of modern concepts of etiquette and the "ideal gentleman."

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