—— 请按键盘 空白键 开始游戏 ——

世俗的儒者不考察,认为工商是末业,妄加议论抑制。
埃尔德什差异问题让我着迷,因为它陈述起来如此简单,但含义却如此深刻。
The world may be cruel, but it is also beautiful.
A man's errors are his portals of discovery.