To write is, indeed, no unpleasing employment, when one sentiment readily produces another, and both ideas and expressions present themselves at the first summons; but such happiness, the greatest genius does not always obtain; and common writers know it only to such a degree, as to credit its possibility. Composition is, for the most part, an effort of slow diligence and steady perseverance, to which the mind is dragged by necessity or resolution, and from which the attention is every moment starting to more delightful amusements.