Nothing 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 PostTo tell a lie in cowardice, to tell a lie for gain, or to avoid deserved punishment--are all the blackest of black lies.
Emily Post