When politeness is used to show up other people, it is reclassified as rudeness. Thus it is technically impossible to be too polite.
Judith Martinpeople, in forming their opinions of others, are usually lazy enough to go by whatever is most obvious or whatever chance remark they happen to hear. So the best policy is to dictate to others the opinion you want them to have of you.
Judith MartinIt is a widespread and firm belief among guests that their departure is always a matter of distress to their hosts, and that in order to indicate that they have been pleasantly entertained, they must demonstrate an extreme unwillingness to allow the entertainment to conclude. This is not necessarily true.
Judith MartinThe pejorative term "political correctness" was adapted to express disapproval of the enlargement of etiquette to cover all people, in spite of this being a principle to which all Americans claim to subscribe.
Judith MartinEtiquette is about all of human social behavior. Behavior is regulated by law when etiquette breaks down or when the stakes are high - violations of life, limb, property and so on. Barring that, etiquette is a little social contract we make that we will restrain some of our more provocative impulses in return for living more or less harmoniously in a community.
Judith Martin