Any child can be taught to be beautifully behaved with no effort greater than quiet patience and perseverance, whereas to break bad habits once they are acquired is a Herculean task.
Emily PostTo be a good sportsman, one must be a stoic and never show rancor in defeat, or triumph in victory, or irritation, no matter what annoyance is encountered. One who can not help sulking, or explaining, or protesting when the loser, or exulting when the winner, has no right to take part in games or contests.
Emily Post