Wu Yazhen
As for the elderly care: You Yu clan used the banquet ceremony, Xia Hou clan used the feast ceremony, Yin people used the food ceremony, Zhou people improved and used them all. At fifty, they are taken care of in the village, at sixty, they are taken care of in the country, at seventy, they are taken care of in the school, and they are promoted to the princes. At eighty, they receive the emperor's order, sit and come twice, and the blind are also like this. At ninety, someone else takes care of them. At fifty, they eat different food, at sixty, they eat meat every night, at seventy, they eat twice, at eighty, they always have delicacies; at ninety, they eat and drink without leaving their bed, and they can eat and drink with their outings. At sixty, they make a system, at seventy, they make a system for hours, at eighty, they make a system for months; at ninety, they make a system for days, only the strangulation, quilt, and cover, and they make a system after death. At fifty, people begin to decline. At sixty, they cannot be full without meat. At seventy, they cannot be warm without silk. At eighty, they cannot be warm without people. At ninety, even if they have people, they cannot be warm. At fifty, they are given a cane at home. At sixty, they are given a cane in the village. At seventy, they are given a cane in the country. At eighty, they are given a cane in the court. At ninety, if the emperor wants to ask them about something, they should go to their room and be accompanied by a treasure. At seventy, they do not wait for the court. At eighty, they report their existence every month. At ninety, they have a rank every day. At fifty, they do not participate in government affairs. At sixty, they do not participate in military service. At seventy, they do not participate in the affairs of guests. At eighty, they do not participate in the affairs of mourning. At fifty, they are given a title. At sixty, they do not go to school. At seventy, they retire from government affairs. Only mourning clothes are used for mourning.
