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 ChesterfieldExperience only can teach men not to prefer what strikes them for the present moment, to what will have much greater weight with the them hereafter.
Lord ChesterfieldDistrust those who love you extremely upon a slight acquaintance, and without any visible reason.
Lord Chesterfield