Grand Manner refers to an idealized aesthetic style derived from classical art, and the modern "classic art" of the High Renaissance. In the eighteenth century, British artists and connoisseurs used the term to describe paintings that incorporated visual metaphors in order to suggest noble qualities. It was Sir Joshua Reynolds who gave currency to the term through his Discourses on Art, a series of lectures presented at the Royal Academy from 1769 to 1790, in which he contended that painters should perceive their subjects through generalization and idealization, rather than by the careful copy of nature. Reynolds never actually uses the phrase, referring instead to the "great style" or "grand style", in reference to history painting: