Have answers: In the Northern Song Dynasty, there was a famous painter named Wen, who was a master of bamboo painting at that time.
In order to draw bamboo well, Wen drills holes in the bamboo forest all year round, whether it is windy, rainy or sunny. In dog days, the sun is like fire, and the ground is hot. However, Wen ran to the side of the bamboo forest, facing away from the sun, standing in the hot sun, watching the changes of bamboo with rapt attention. He measured the number of bamboo joints with his fingers for a while. Then I remembered how dense the bamboo leaves were. Sweat soaked his clothes and his face was covered with sweat, but he didn't even wipe it with his hands, as if nothing had happened. Once, there was a strong wind blowing in the sky. Then, thunder and lightning, a heavy rain is coming. People ran home one after another. But just then, Wen, who was sitting at home, grabbed a straw hat in a hurry and put it on his head. He lifted his robe, climbed the hillside and ran to the bamboo forest. He ran panting into the bamboo forest. He did not wipe the rain off his face and watched the bamboo unblinkingly. I saw the bamboo being blown down by the wind and rain, bending over and nodding, swaying. Wen and Ke carefully remember the posture of bamboo in the wind and rain. Because Wen and Ke have carefully observed and studied bamboo for many years, the shape of bamboo has changed in spring, summer, autumn and winter. What is the difference between the color and posture of bamboo in rainy and snowy days? What's the difference between bamboo in strong sunlight and bamboo in bright moonlight? He knows all the different bamboos and what they look like. So you don't need to draw sketches to draw bamboo. There was a man named Chao who praised bamboo writing and painting, saying that bamboo writing and painting were well thought out.
On paper: Classics are from Historical Records, Biography of Lian Po and Lin Xiangru. According to records, Zhao Kuo, the son of Zhao She, a famous soldier of Zhao State in the Warring States Period, studied the art of war when he was young, but his father could not beat him in military affairs. Later, he succeeded Lian Po as the general of Zhao. In the battle of Changping, he only knew how to do it according to Sun Tzu's art of war, but he didn't know how to make changes. The result was defeated by Qin Jun.
Calling a deer a horse: from Historical Records. It is said that Zhao Gao tried to usurp the throne. In order to test which ministers in the imperial court obeyed his wishes, he specially gave Qin Ershi a deer and said it was a horse. Qin Ershi didn't believe it, so Zhao Gao made excuses to the ministers. The minister who dared not oppose Zhao Gaoyi said it was a horse, and the minister who dared to oppose Zhao Gaoyi said it was a deer. The ministers who later said they were deer were killed by Zhao Gao in various ways.