51.A happy heart makes a blooming visage.

心中快乐，容光焕发。

52.He who hath good health is young,and he is rich who owes nothing.

健康葆青春，无债即富有。

53.Study sickness while you are well.

无病应思有病时。

54.The healthful man can give counsel to the sick.

健康的人可以对生病的人提出忠告。

55.By the side of sickness health becomes sweet.

和疾病相比较，才能识得健康的可爱。

56.Health is not valued till sickness comes.

有病方知健康贵。

57.Feed by measure and defy physician.

饮食有节，医生绝迹。

58.Often and little eating makes a man fat.

多餐少吃，使人壮硕。

59.After dinner sit awhile,after supper walk a mile.

正餐以后，休息片刻；晚餐以后，步行一哩。

60.Early to bed and early to rise,makes a man healthy,wealthy and wise.

早睡早起，使人健康、富有而聪明。