If you argue and rankle and contradict, you may achieve a victory sometimes; but it will be an empty victory because you will never get your opponent's good will.
Dale CarnegieMerely stating a truth isn't enough. The truth has to be made vivid, interesting, dramatic. You have to use showmanship.
Dale CarnegieIf you can be sure of being right only 55 percent of the time, you can go down to Wall Street and make a million dollars a day. If you can't be sure of being right even 55 percent of the time, why should you tell other people they are wrong?
Dale Carnegie