How did Thomas Hoby's translation of The Courtier influence Elizabethan culture?

Sir Thomas Hoby’s 1561 translation of Baldassare Castiglione’s Il libro del cortegiano, titled The Courtyer of Count Baldessar Castilio, exerted an enormous influence on Elizabethan culture and the development of English literature.1

The work served as a foundational manual for the social patterns of life at the English court, disseminating Continental ideals of wit, many-sidedness, and sprezzatura—the art of performing complex tasks with an impression of effortless grace. By promoting these aristocratic values, the book helped shape the behavior and self-presentation of the English elite.231

Beyond social etiquette, Hoby’s translation significantly impacted the literary landscape. Elizabethan court poetry became deeply imbued with Castiglione’s aristocratic Neoplatonism, his concepts of universal proportion, and the view of beauty as a path to virtue. The translation also influenced major literary figures, including Sir Philip Sidney and William Shakespeare. Furthermore, the work contributed to the broader Elizabethan project of developing a dignified, eloquent English vernacular, establishing a high standard for the art of translation during the period.3214