As the old saying goes, "Seventy years old is rare."
Interpretation: Few people have lived to be seventy years old since ancient times. 70-year-old people are rare since ancient times. It is not easy to enjoy a long life.
Source: Talia Liu Qing Dynasty Wang Yingkui's essay 5: "Seventy years old is rare, I am near, rare and rare."
Relevant data show that about two thousand years ago, the average life expectancy of the population was about 20 years old; 18th century, growing to about 30 years old; According to the data of the sixth national census, the average life expectancy of China population reached 74.83 years in 20 10. It can be seen that the average life expectancy of the ancients was not long, so it was a long time to live to seventy.
The oldest person in the history of extended data:
Li Qingyuan (1677- 1933), who lived for 256 years, was a Chinese medicine scholar in the late Qing Dynasty and the early Republic of China, and was also a world-famous long-lived old man. /kloc-at the age of 0/00, he was awarded a special prize by the government for his outstanding achievements in traditional Chinese medicine. At the age of 200, he still often went to university to give lectures. During this period, many western scholars visited him. Li Qingyuan married 24 wives in his life, and all his descendants were plump.
1933 Li Qingyuan, who lived for 256 years, died. He has 24 wives and 180 descendants. At that time, both The New York Times and Time Magazine reported it. According to this age, he should have been born in Kangxi 16 (1677) in the Qing dynasty. After nine generations of Kangxi, Yongzheng, Qianlong, Jiaqing, Daoguang, Xianfeng, Tongzhi, Guangxu and Xuantong, he lived for 256 years. He is a very rare longevity star in the world.
Baidu encyclopedia-70-year-old rare
The real oldest person in history: Li Qingyuan lived to be 256 years old.