Note: 30 years old refers to the age of self-reliance, knowledge self-reliance and career self-reliance; People who are not confused at the age of forty have experienced many things in middle age and figured out many things, and will not be as confused as young people; Knowing life at 50 is the age when you know your destiny; At the age of sixty, you can judge the truth by listening to others; 70-70 years old refers to a rare age; More than eighty years old, very old; The age of longevity is used to refer to people who live to be 100 years old.
Extended data
A person should be independent/firm at the age of thirty.
From the Analects of Confucius, it can be explained that people can stand on their own feet at the age of 30, which is called 30 years old.
40 years old
From the Analects of Confucius, I can tell things clearly when I meet them, as a 40-year-old agent.
50-year-old man
From the Analects of Confucius, at the age of 50, I have to accept my fate and I can't resist it.
threescore
From the sixty-sixth volume of Song Jiyong's Chronicle of Tang Poetry, "Hua Jia" is an old calendar with cooperation between cadres and branches, and sixty years is a Hua Jia, also known as Jia Zi; "Flower" describes the intricacies of branch names. Refers to sixty. Yes
threescore
From the Analects of Confucius, I am 60 years old. You can judge the truth by listening to others' words, which is synonymous with 60 years old.
At the age of seventy
From Tang Du Fu's Poems of Caotang and Two Poems of Qujiang: "Wine debts are common, but life has been rare for 70 years."
Old age
From Cao Cao's Song of Drinking: "You can die when you are old, and your kindness is wide and wide." It means when you are very old.
At the age of one hundred
From the Book of Rites Quli, used to refer to people who live to be 100 years old.
References:
Baidu encyclopedia-for politics
Baidu encyclopedia-the year of the flower
Baidu encyclopedia-seventy years old
Baidu encyclopedia-octogenarian
Baidu Encyclopedia-The Year of the Future