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Mathematics Wang Peiqi
Hua 1

After Hua graduated from junior high school, Hua studied in Shanghai Chinese Vocational School, but dropped out of school because of tuition, and only had a junior high school diploma for life. After that, he began to teach himself tenaciously and completed all the math courses in high school and junior college in five years. 1928, he was unfortunately infected with typhoid fever, and survived under the care of his wife, but his left leg was disabled.

At the age of 20, he caused a sensation in the field of mathematics with a paper and was invited to work by Tsinghua University. From 193 1, Hua worked and studied in Tsinghua University, and completed all the courses in the Department of Mathematics in one and a half years. He taught himself English, French and German, and published many papers in foreign magazines.

2. Five strong men of Langya Mountain

In the battle, they were fearless in the face of danger and stopped bravely. When the bullets ran out, they fought back with stones. Facing the approaching enemy, they would rather die than surrender, destroy their guns and jump off a cliff dozens of feet deep without hesitation.

Ma Baoyu, Hu Delin and Hu Fucai died heroically; Ge Zhenlin and Song Xueyi were caught by the branches on the mountainside and survived; The feats of the five soldiers showed lofty patriotism, revolutionary heroism and unyielding national integrity, and were praised by the people as "the five strong men of Langya Mountain".

3. Dig the wall and steal the light

Kuang Heng is diligent and studious, but there are no candles at home. There are candles next door, but the light can't reach his house. Therefore, Kuang Heng dug a hole in the wall to attract the light from his neighbors, so that it could be read in a book. There is a big family in the county, which is famous for its literary knowledge, but it is rich and has many books. Kuang Heng went to his house as an employee, but he didn't want to be paid.

The host was surprised and asked him why. He said, "I hope to read all the books of the host family." Hearing this, the master sighed deeply, so he lent Kuang Heng a book (to help Kuang Heng read it). So Kuang Heng became a great scholar.

4. Beethoven

At the age of 28, Beethoven's hearing began to decline due to illness. By the age of 48, he couldn't hear any beautiful songs. He can only communicate with others through writing.

Even so, Beethoven continued to write. His immortal masterpiece, the last seven of the nine symphonies, was written while deaf. Among them, the third, fifth, sixth and ninth symphonies are considered as eternal masterpieces.

He feels human, society and nature with keen observation. In order to draft a piece of music, it often takes him months or even years to deliberate and temper it carefully. For example, he spent eight years composing the fifth symphony.

5. Song Lian

Song Lian liked reading when he was a child, but his family was poor and he had no money to buy books, so he had to borrow them from others. Every time he borrows a book, he agrees on a deadline, returns it on time, and never breaks the contract. People are willing to lend them to him. Once he borrowed a book, and the more he read it, the more he couldn't put it down, so he decided to copy it. But the deadline for returning the book was coming, so he had to copy the book overnight.