—— 请按键盘 空白键 开始游戏 ——

In mathematics, the art of proposing a question must be held of higher value than solving it.
Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.
即使是小小的技艺,也一定有值得一看的地方。但对于远大的事业恐怕有所阻碍,所以君子不去干这些。