"A mind enriched by an assemblage of all the treasures of antient and modern Art, will be more elevated and fruitful in resources in proportion to the number of ideas which have been carefully collected and thoroughly digested."
— Reynolds, Joshua (1723-1792)
Text from A Discourse Delivered to the Students of the Royal Academy, on the Distribution of the Prizes, Dec. the 10th, 1774. By the President. (London: Printed for Thomas Davies, 1775). <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.