Mathematician Chen Jingrun was thinking while walking, and bumped into a tree trunk and said, "I'm sorry, I'm sorry." Keep thinking.

2. The story of mathematician Rudolph

/kloc-Rudolph, a German mathematician in the 6th century, spent his whole life calculating pi to 35 decimal places, which was later called Rudolph number. After his death, someone else carved this number on his tombstone.

3. The short stories of mathematician Jacob Bernoulli.

Jacques Bernoulli, a Swiss mathematician, studied the spiral (known as the thread of life) before his death. After his death, a logarithmic spiral was carved on the tombstone, and the inscription also read: "Although I have changed, I am the same as before." This is a pun, which not only describes the essence of spiral, but also symbolizes his love for mathematics.

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Chen Jingrun is the sum of 250 years' challenges to the intellectual limits of the world in the field of analytic number theory. It would be great if there were a thousand Chen Jingrun in China.

Every job that Mr. Chen Jingrun does is like walking on the top of the Himalayas, which is full of dangers, but once successful, it will definitely affect the world.