It means that time is like running water, flowing quietly around us, and we lose the best time if we are not careful. The so-called youth is fleeting and difficult. This is a fact. This sentence always reminds us to cherish time, especially in modern fast-paced life.

Excerpt from The Analects of Confucius

Confucius said, "It's better to keep pace with the times, isn't it? Is it not delightful to have friends coming from distant quarters? Ignorance and dissatisfaction are not gentlemen? " Study and study

Ceng Zi said: "I save three times a day: are you unfaithful to others?" Don't believe in making friends? Can't you learn? "Learning and learning.

Confucius said, "Five out of ten, I am determined to learn; I am thirty years old; Forty without confusion; At the age of fifty, I knew my destiny; I am obedient at the age of sixty; I am still obedient at the age of seventy; I didn't cross the line. " Engage in politics

Confucius said, "Reviewing the past and learning the new can be a teacher." Engage in politics

Confucius said, "Learning without thinking is useless, and thinking without learning is dangerous." Engage in politics

Confucius said, "OK, come back! A spoonful of food, a spoonful of drink, in the mean lane, people can't bear their worries, and they won't change their fun when they go back. Xian zai, you come back! " Yongye

Confucius said, "Knowing is not as good as being kind, and being kind is not as good as being happy." Yongye

Confucius said, "Eat less and drink more, bend your arms and pillow it, and have fun." Unjust wealth is like a cloud to me. "Shure

Confucius said: "In a threesome, there must be a teacher. Choose good and follow it, but change it if it is not good. " Schul

Zi said in Sichuan: "The deceased is like a husband, not giving up day and night." Zihan

Confucius said, "The three armed forces can win the position of commander in chief, but ordinary men can't win the ambition." Zihan

Xia Zi said, "I am knowledgeable and determined, and I am eager to ask questions and think about them. Benevolence is among them. " Zhangzi