Cheerfulness is as natural to the heart of a man in strong health, as color to his cheek; and wherever there is habitual gloom, there must be either bad air, unwholesome food, improperly severe labor, or erring habits of life.
健康的人心情愉快，就像面颊的颜色一样自然;哪里有习惯性的阴郁，哪里就必定有糟糕的空气、不健康的食物、不适当的严厉劳动，或者是错误的生活习惯。
标签
Cheerfulness
Heart