Ask the canal how clear it is, because there is a source of living water. ——Zhu Xi of the Song Dynasty

The work is accomplished by hard work, and the idleness is caused by play; the success is achieved by thinking, and the destruction is by following.——Han Yu, Tang Dynasty

Reading thousands of volumes, writing is as good as before God - Du Fu of the Tang Dynasty, this sentence is very classic.

Read an old book a hundred times without getting tired of reading it, and you will know it after you have read it carefully - Su Shi of the Song Dynasty

Read a book a hundred times, and you will see its meaning. It’s a classic saying but I don’t know who said it.

No pain, no gain. To achieve success in one art, you should devote your whole life to it. Proverb

Knowledge is like spring water under the gravel. The deeper you dig, the clearer the spring water becomes. This is a Danish proverb

That’s it. I think it’s enough, but it doesn’t seem like it when I think about it.