Mathematics is a living subject, constantly evolving with new ideas and discoveries.
数学是一门活生生的学科,随着新的思想和发现不断演变。
I don't want to be a role model. I want to be a source of inspiration.
There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.