If a young man does not work hard, he will be sad when he is old. If he does not work hard on weekdays, he will regret it when the time comes. Allusion from Zhang Dai's "Le Du" in the Ming Dynasty

Source: "Collection of Yuefu Poems·Chang Ge Xing": "When hundreds of rivers reach the sea from the east to the sea, when will they return to the west? If a young man does not work hard, the old man will be sad." This sentence The motto is taken from the ancient Han Dynasty Yuefu poem "Long Song Xing". The original poem is as follows: "In the green garden, the sunflowers are waiting for the morning dew and the setting sun. The spring is full of beauty, and everything is shining. I am always afraid that the autumn festival is coming, and the yellow flowers and leaves will wither. Baichuan East To the sea, when will we return to the west? If a young man does not work hard, the old man will be sad."

It can be seen that the last two sentences are the conclusion of the poem and the main theme of the poet's poem. . The poem uses the image of sunflowers in the garden that flourishes in spring and declines in autumn to describe the beauty of life when one is young and the misery when one grows up; and uses the river flowing eastward to describe the passage of time, which will not be retained by one person, but is just a metaphor. For these last two words of caution.

Extended information:

There is a song "Long Song Xing" in the ancient "Yuefu Poems". The author uses sunflowers in the garden to reveal how life should spend the golden age of youth.

Han Dynasty Yuefu's "Long Song Xing": "When hundreds of rivers reach the sea from the east to the sea, when will they return to the west? The young will not work hard, the old will be sad. The immortal rides a white deer, how long are the short ears? Lead me up Taihua, he received the red banner. When he came to the master's door, he was given a jade box of medicine. The master took this medicine and his body became stronger and whiter. The word "effort" was misunderstood as hard work. In fact, it is to advise young people to pay attention to taking care of their health.