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爱国不是选择,而是责任。
我们通过讲述的故事彼此相连。
我逐渐认识到:人并非生而自由。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The writer's duty is to tell the truth, even when it is inconvenient.
You have to be able to laugh at yourself, to not take yourself too seriously.