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 CarnegiePut a 'stop-loss' order on your worries. Decide just how much anxiety a thing may be worth- and refuse to give it any more.
Dale CarnegieThe world is so full of people who are grabbing and self-seeking. So the rare individual who unselfishly tries to serve others has an enormous advantage. He has little competition.
Dale Carnegie