I Am the Strongest Scholar from a Humble Family

When you become a down-and-out scholar and a disciple from a poor family, in the chaotic world of Xianwu, where should you go? Qiuxian asked? Find a way to live forever? None! Chen Yi, who traveled from the 21st century, said that if you want to survive in troubled times and open up a great cause, you must implement the strategy of rejuvenating the country through science and education. If you have any magical powers, you can kill me with a super-large nuclear bomb. Many years later, people looked at the thousands of miles of extra city walls on the mainland, the Grand Canal running through the north and south, and the fully armed air fortresses, etc... And couldn't help but sigh, what is that guy called a geek doing now? PS (stable rhythm, online IQ)