Cai Yong in Han Dynasty was not only a writer, but also a famous calligrapher. Flying White Paper is his original work. What is a "flying white paper"? You will know after listening to this story.
Cai Yong is not a person who reads and writes behind closed doors. He often travels to capture inspiration and rich experience. On this day, he sent the written article to Hongdumen of the Royal Library. The people there are very arrogant, so anyone who comes will have to wait outside the door for a while. While Cai Yong was waiting for an interview, several craftsmen were painting the walls with brooms dipped in this lime water. He just stood by and looked at it.
At first, he just wanted to kill time. But looking at it, he can see some "doorways". I saw the craftsman go down with a broom, and a white mark appeared on the wall. Because the broom seedlings are thin, they can't be soaked in too much lime water, and the wall is not very flat, so after a broom goes down, there are still some places on the white road that show the wall. Cai Yong's eyes lit up when he saw it. He thought that before writing with a pen dipped in ink, the strokes were all black. Isn't it more vivid and natural to show some silk or paper with a black pen like a craftsman painting a wall? Thought of here, he suddenly fell into a mood. Hand in your article and run home at once.
Cai Yong returned home, forgot to rest, and prepared his own pen and ink. Thinking of the craftsman painting the wall, he began to write. Who knows it's easier to think of than to do? At first, the paper was not exposed or the exposed part was too hard. Far from being discouraged, he tried again and again. Finally, he mastered proper limit from the aspects of how much ink he dipped in, how much ink he used, and how fast he wrote. He wrote a faint white brush stroke in black, which made the words elegant and flying, and had a unique flavor.
Cai Yong's original style of writing soon spread and became a "flying white book". Until today, it has been used by calligraphers.