If there is anything in my life so far that I think is the most important thing I have realized, it is that human life is like the value of investment goods, and there is mean regression. That mean value is the deepest impulse in your heart, your true desire, and what kind of person you are. My growth experience , if you exclude the things that are not important in the future because of poor discipline, puppy love, skipping classes, fighting, and breaking your leg because of playing ball, it is actually a very standard growth experience of Chinese students. Enter the best elementary school, the best middle school, rank in the top 10 in the high school entrance examination area, and the score in the college entrance examination is also enough to be ranked in the first echelon. After that, I dropped out of Fudan University and went abroad, and I went to the best universities in North America. Walking on this road, until I was in college, I always believed that the social pyramid is...