Virtuosi have been long remarked to have little conscience in their favorite pursuits. A man will steal a rarity who would cut off his hand rather than take the money it is worth. Yet, in fact, the crime is the same.
The aim of the poet is to inform or delight, or to combine together, in what he says, both pleasure and applicability to life. In instructing, be brief in what you say in order that your readers may grasp it quickly and retain it faithfully. Superfluous words simply spill out when the mind is already full. Fiction invented in order to please should remain close to reality.