"He examines his own mind, and perceives there nothing of that divine inspiration, with which, he is told, so many others have been favoured. He never travelled to Heaven to gather new ideas; and he finds himself possessed of no other qualifications than what mere common sense and a plain understanding can confer."
— Reynolds, Joshua (1723-1792)
Text from A Discourse Delivered to the Students of the Royal Academy, on the Distribution of the Prizes, December 14, 1770, by the President. (London: Printed for Thomas Davies, 1771). <Link to ECCO>
See also Sir Joshua Reynolds, Seven Discourses Delivered in the Royal Academy by the President (London: T. Cadell, 1778). <Link to Google Books>
Also reading at PGDP.