你必须花费一些精力和努力才能看到数学的美。
You have to spend some energy and effort to see the beauty of math.
True globalization is not mere translation, but understanding the cultural core of different markets.
People change and forget to tell each other.
质数就是当你把所有模式都剔除后剩下的东西。我觉得质数就像生活,它们非常有逻辑性,但你永远无法找出规律,即使你花上一辈子时间去思考。