By leaving a student to himself he may... be led to undertake matters above his strength, but the trial will at least have this advantage: it will discover to himself his own deficiencies and this discovery alone is a very considerable acquisition.
Sir Joshua Reynolds, Edward Malone (1867). “The Works of Sir Joshua Reynolds: Containing His Discourses, Idlers, A Journey to Flanders and Holland, and His Commentary on Du Fresnoy's Art of Painting; to which is Prefixed an Account of the Life and Writings of the Author by Edward Malone”, p.114
