People are what you make them. A scornful look turns into a complete fool a man of average intelligence. A contemptuous indifference turns into an enemy a woman who, well treated, might have been an angel.
Old age is far more than white hair, wrinkles, the feeling that it is too late and the game finished, that the stage belongs to the rising generations. The true evil is not the weakening of the body, but the indifference of the soul.