Michelle at Whatsoever things are lovely often shares great quotes. What do you think about this one?
"Do not take pride in offensively expressing yourself on every occasion, under the impression that you will be admired for your frankness and plain speech. Speaking your mind, is an extravagance which has ruined many a woman.
"Twentieth Century Etiquette: An-Up-To-Date Book for Polite Society, copyright 1900.