Wear your learning like your watch, in a private pocket; and do not pull it out, and strike it, merely to show that you have one. – Lord Chesterfield
Manners must adorn knowledge and smooth its way in the world, without them it is like a great rough diamond, very well in a closet by way of curiosity, and also for its intrinsic value; but most prized when polished. – Lord Chesterfield