Whenever two people come together and their behavior affects one another, you have etiquette.
Emily PostTo make a pleasant and friendly impression is not alone good manners, but equally good business.
Emily PostThe natural impulses of every thoroughbred include his sense of honor; his love of fair play and courage; his dislike of pretense and of cheapness.
Emily PostAlas! it is true: "Be polite to bores and so shall you have bores always round about you."
Emily PostNothing appeals to children more than justice, and they should be taught in the nursery to "play fair" in games, to respect each other's property and rights, to give credit to others, and not to take too much credit to themselves.
Emily PostThe fact that slang is apt and forceful makes its use irresistibly tempting. Coarse or profane slang is beside the mark, but "flivver," "taxi," the "movies," "deadly" (meaning dull), "feeling fit," "feeling blue," "grafter," a "fake," "grouch," "hunch" and "right o!" are typical of words that it would make our spoken language stilted to exclude.
Emily Post