知识最大的敌人不是无知，而是知识的幻觉。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
I think， I think when it’s all over， it just comes back in flashes. You know， it’s like a kaleidoscope of memories. But it just all comes back. But he never does.
The only way to learn mathematics is to do mathematics.
我不完美，但我正在努力。