Merit and knowledge will not gain hearts, though they will secure them when gained.
Lord ChesterfieldIn order to judge of the inside of others, study your own; for men in general are very much alike; and though one has one prevailing passion, and another has another, yet their operations are much the same; and whatever engages or disgusts, pleases or offends you, in others, will, mutatis mutandis, engage, disgust, please, or offend others, in you.
Lord ChesterfieldMen are much more unwilling to have their weaknesses and their imperfections known, than their crimes; and, if you hint to a man that you think him silly, ignorant, or even ill-bred or awkward, he will hate you more, and longer, than if you tell him plainly that you think him a rogue.
Lord Chesterfield