The secret of joy in work is contained in one word - excellence. To know how to do something well is to enjoy it.
时间不会治愈所有伤口;有些伤口会留下,成为我们的一部分。
衰败的恶果,都是强盛时不知修持而积累来的。人老后的疾病,都因年轻时不知养生而落下的。