By the time a person reaches the age of 80, his energy has declined, and when he is ordered by the king, he only needs to kneel down and kowtow twice in a row.

Blind people with limited mobility can also do the same.

At the age of 90, he can have others take his place as a king.

Elderly people over 50 years old can eat fine grains instead of coarse grains; Elderly people over 60 years old cannot eat enough without meat, so it is necessary to prepare meat frequently; The elderly over 70 years old are hungry quickly, so they should make 1 extra portion of each meal to eat at zero hour; The elderly over 80 years old should always eat precious food; An elderly person over the age of 90 lives in his room without interruption of food, and wherever he goes, he has food and drink with him.

When a person reaches the age of 60, the child must prepare funeral supplies for him that will take one year to make; When a person reaches the age of 70, his children have to prepare funeral supplies for him that will take one season to make; When a person reaches the age of 80, his children should prepare funeral supplies for him that will take one month to make; When a person reaches the age of 90, his children should prepare funeral supplies for him that will take one day to make; It's only a twist, and it's never too late to do it after death.

People begin to age at the age of 50, after the age of 60 they will not be able to eat enough without meat, after the age of 70 they will feel that their bodies are not warm without silk cotton, after the age of 80 they will feel that they are not warm when they are not warm, and after the age of 90, they will not be warm even if they are warm.

After the age of 50, you can use a cane at home, after the age of 60, you can use a cane in the township, after the age of 70, you can wear a cane in the national capital, after the age of 80, you can use a cane during the Shang Dynasty, and after the age of 90, if the Son of Heaven has something to ask, he must send someone to his house to ask for advice, and bring something delicious.

When the doctor reaches the age of 79, he can not wait in the court, after the age of 80, the Son of Heaven will send people to greet his health every month, and after the age of 90, the Son of Heaven will send people to bring food every day.

Civilians do not serve in the military after the age of 50, do not serve in the military after the age of 60, stop participating in activities to entertain guests after the age of 70, and do not participate in important events such as sacrifices and funerals after the age of 80.

After the age of 50, he was knighted, after the age of 60, he did not personally ask others for advice, and after the age of 70, he resigned from the old man, and he only had to wear filial piety clothes in case of funeral, and other ceremonies were all exempt.

In ancient times, the Yu family held a banquet to entertain the old and retired doctors, and in the ancient primary schools, they held a banquet to entertain the old and retired people.

The Xia Hou clan held a banquet in the east order of the university in the Xia Dynasty to entertain the old and retired doctors, and in the primary school of the Xia Dynasty, they held a banquet to entertain the old and retired old people.

Yin people held a banquet at the university to entertain the old and retired doctors, and held a banquet in the primary school to entertain the old and retired elderly.

The Zhou people held a banquet at the university to entertain the retired doctors, and held a banquet in the primary school to entertain the retired elderly.

Yu Ren's school was in the western suburbs of Wangcheng.

In ancient times, the tribe of Emperor Shun was named Youyu, and in the era of Youyu, people wore crowns when they sacrificed and wore deep clothes when they were old.

In the Xia Dynasty, people wore crowns during sacrifices and swallow clothes when they were old.

The Yin people wore crowns during sacrifices and braided clothes when they were old.

The Zhou people wore crowns during sacrifices and wore Xuan clothes when they were old.

Xia Yin's third generation of the Son of Heaven held a pension banquet, and they had to verify the age of the elderly attending the meeting according to their household registration.

If there is an elderly person over 80 years of age in the family, one person may be exempted from military conquest.

If there is a 90-year-old person in the family, the whole family is exempted from military conscription.

If there is a disabled person in the family and the sick person must be waited for by others, one person may also be exempted from servitude.

When his parents died, he did not have to participate in the armed conquest during the three-year mourning period.

In the event of the death of a relative who needs to serve the great merits of Qi decay, he may not participate in the armed expedition for three months.

The families who moved from Wanggi to the princes were exempted from military service for 3 months before leaving; Families who moved from the princes to Wanggi were exempted from labor for one year after reaching the goal.

A person who loses his father at a young age is called a lone, a person who loses a son when he is old is called a lone, a person who loses his wife when he is old, and a person who loses his husband when he is old is called a widow.

These four kinds of people are the most pitiful people in the world who have no way to ask for help, and the state has a regular living allowance for them.

The dumb, the deaf, the lame, the crippled, the crippled, the short, and all sorts of craftsmen are supported by the state by doing what they can.

On the road, the man walks on the right, the woman walks on the left, and the car goes in the center.

When you meet someone who is about the same age as your father, you have to let the family go ahead; When you meet someone who is about the same age as your brother, you can go side by side a little later; When you walk with friends, you can't rush to be the first.

Both the old and the young carry the light burden, and the young should carry the light burden of the old on their shoulders.

Both the old and the young carry heavy burdens, and the young should share some of the burdens of the elderly.

Don't let gray-haired old people walk with things.

The old man of the scholar class must have a car when he goes out, so that he does not go on foot; The old man of the common class must have meat to eat.

The landed doctors brought their own sacrificial vessels and did not borrow them from others.

Until the sacrificial utensils are ready, the manufacture of daily utensils is not considered.

One mile of square land is converted into 900 acres of land.

There are 100 100 1 miles square, which is 90,000 acres of land.

There are 100 100 10 miles square, which is equivalent to 9 million acres of land.

There are 100 miles of land square, which is equivalent to 900 million acres of land.

From Hengshan Mountain to the Yellow River in the south, the distance between north and south is less than 1,000 miles.

From this section of the Yellow River to the Yangtze River in the south, the distance of this section is less than 1,000 miles.

From the Yangtze River to the south to Hengshan, this distance is more than 1,000 miles.

From the East River to the East China Sea, the distance between east and west is more than 1,000 miles.

From the East River to the West River, the distance is less than 1,000 miles.

From the West River to the west to the desert, the distance is more than 1,000 miles.

The desert is not the end of the west, the Hengshan is not the end of the south, the East China Sea is not the end of the east, and the Hengshan is not the end of the north.

In this way, within the four seas, truncating the long and making up for the weak, it is about 3,000 thousand miles square, which is converted into 8.1 billion mu of fields.

The land of 100 miles square should have been 9 million mu when converted into fields, but because there are mountains, forests, rivers, lakes, ditches, waterways, cities, palaces, and roads, it will take up one-third, so only 6 million mu of farmland remains.

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