写作就是呼吸，就是生活，就是存在。

山中有长得直的树，世上却没有直的人。

Confidence comes from within. No one can give it to you.

The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.

I’m interested in the gaps between official history and personal memory.

美国农业面临的最大危险是家庭农场的消失。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.