The ancients learned nothing, and it takes time to grow old.
What you get on paper is so shallow that you never know what you have to do. -"Reading on a Winter Night" Lu You in the Song Dynasty
2.
Every day when the cock crows, it is the best time for boys to read.
Teenagers only know how to play, but don't know how to study hard. When they are old, they regret why they didn't know how to study hard when they were young. -Yan Zhenqing, "Poetry of Persuasion" in the Tang Dynasty
3.
Half an acre of square pond opened, and the sky was overcast.
Why is the water in the pond so clear? Because there is inexhaustible living water for it. -"Reading Random Thoughts" Song Zhu
4.
When things are clear, everything is learned, and people are taught by article study —— Cao Xueqin in Qing Dynasty