What is the poem about "good habits"?

"Encouragement to Study" by Yan Zhenqing of the Tang Dynasty

The lights are on at three o'clock and the chickens are on at five o'clock. It is the time for men to study. Black-haired people do not know how to study diligently early, and white-haired people regret that they study late.

"Reading on a Winter Night" by Du Fu of the Tang Dynasty

The ancients spared no efforts in learning, and only when they are young and old can they become mature. What they read on paper will always be shallow, and they must know that they have to pay attention to it. .

"Jia Sheng" by Li Shangyin of the Tang Dynasty

Jia Sheng's talents were even more unqualified when he was seeking talents and expelling ministers. It's a pity that he sat in front of the table in the middle of the night and didn't ask about the people or ghosts and gods!

"On Poetry" by Zhao Yi of the Qing Dynasty

Li Du's poems have been passed down through the ages, but they are no longer new. Talented people have emerged from generation to generation, and each has been leading the way for hundreds of years.

Northern Song Dynasty·Qin Guan's "Autumn Day"

The moon group newly grinds the flower porcelain, and after drinking, Hu'er teaches "Chu Ci". There are no fallen leaves in the small xuan in the wind, and the caterpillars are spitting out relative to each other. Autumn silk.

Lu You of the Southern Song Dynasty "Reading on a Winter Night to Show Zi Yu"

The ancients spared no effort in learning, and it was only when they were young that their skills were perfected when they were old. What I have learned on paper is ultimately shallow, and I know that I have to do it in detail.