The full text of Wen Wen, one of the Tang poems?

Hua is a famous mathematician in China, and his mathematical achievements are well-known at home and abroad. However, many people don't know that he also has profound attainments in China's classical literature. There is a Tang poem called Song of Xia Sai. The original poem is written like this: wild geese are soaring in the bright moonlight, and the leader of the Tatars is fleeing in the dark. I was about to lead the light cavalry to catch up when the snow fell full of bows and knives. In Tang, Song, Yuan, Ming and Qing dynasties, famous and unknown scholars never criticized or criticized this poem, but as a mathematician, Hua questioned and corrected it. He asked in a five-word quatrain: when it snows in the north, the geese return to the south early. How can you see geese flying high in the dark? If you don't have rich knowledge of classical literature and lack of research on Tang poetry, how can you write such a natural and fluent five-character quatrain with ease? If you lack the spirit of independent thinking and being good at asking questions, how can you find the problems in Xia Sai Qu? This also enlightens us that we should study hard, not just dabble, but be good at thinking, thinking independently and taking risks. ...