Study is the bane of childhood, the oil of youth, the indulgence of adulthood, and a restorative in old age

Study is the bane of childhood, the oil of youth, the indulgence of adulthood, and a restorative in old age

学习是童年的祸根，青春的油，成年的放纵，老年的养生之道

-- Walter Savage Landor 兰德