Philip Stanhope, 4th Earl of Chesterfield : (3) " Frequent and loud laughter is the characteristic of folly and ill manners. " - Philip Stanhope, 4th Earl of Chesterfield " Knowledge of the world in only to be acquired in the world, and not in a closet. " - Philip Stanhope, 4th Earl of Chesterfield " If you can once engage people’s pride, love, pity, ambition on your side, you need not fear what their reason can do against you. " - Philip Stanhope, 4th Earl of Chesterfield