Flower armor: sixty years old. The ancient Chinese calendar takes sixty years as a cycle, and a cycle is called a jiazi.
Knowing the fate of heaven: fifty years old. Refers to things that cannot be dictated by human power.
Anciently Rare: seventy years old. Means ancient rarity.
Weak Crown: a man is twenty years old. At the age of twenty, a man performs a crown ceremony, that is, he puts on a hat, which means that he has become a man, to show that he has become an adult, but his body is not yet strong, and he is still relatively young, so he is called "weak".
And standing: thirty years old. The name of the company is "The Rise of the People", which means that the company can stand up.
Not confused: forty years old. He has mastered knowledge and is not confused by external things.
Old and gray: eighty or ninety years old.
Expanded:
Tzu said, "I am ten years old and determined to learn, thirty years old and established, forty years old and not perplexed, fifty years old and aware of Heaven's destiny, sixty years old and obedient to the ear, and seventy years old and do as I wish without overstepping the bounds of the rules."
Translated Confucius said, "I was fifteen years old when I set my mind on learning; thirty years old when I was able to stand on my own feet; forty years old when I was able to keep from being confused by external things; fifty years old when I knew the Mandate of Heaven; sixty years old when I was able to treat all kinds of speech correctly without feeling disobedient; and seventy years old when I was able to follow my heart's desires without transgressing the rules."
"The age of old age" is also called "the age of obedience".
References:
Baidu Encyclopedia - Flowering
Baidu Encyclopedia - Knowing the End of Days
Baidu Encyclopedia - old
Baidu Encyclopedia - Weak Crown
Baidu Encyclopedia - Established
Baidu Encyclopedia - Unconfused
Baidu Encyclopedia - Oldest Old
Baidu Encyclopedia - Oldest Old
Baidu Encyclopedia - Oldest Old
Baidu Encyclopedia - Oldest Old