1. At the beginning of Zheng Banqiao's fame in Qing Dynasty, his paintings were unique, his poems were fresh and meaningful, but his words were weak. So he made up his mind to practice hard, day after day, month after month, year after year, and finally mastered his elegant calligraphy, which won him the reputation of poetry, painting and ci.

2. Zuo Si, a great writer in the Jin Dynasty, first attacked calligraphy when he was a child, and then devoted himself to playing the piano, but he never learned anything. My father lost confidence in him and once said to his friend, "Zuo Si's intelligence can't catch up with me." Zuo Si was greatly stimulated after listening to it, so he studied hard and finally wrote Sandu Fu, which is expensive in Luoyang.

3. Wang Xizhi was a famous calligrapher in the Eastern Jin Dynasty. He keeps practicing calligraphy every day, and then washes his pen in the pond near his home. Day after day, the water in the whole pond is dyed black, so people call this pond "Mo Chi", also called "West Weir Lake" and "Pen Washing Pool".