—— 请按键盘 空白键 开始游戏 ——

解决数学问题的旅程和解决方案本身一样重要,因为它教会我们耐心、坚持和发现的快乐。
The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.
We’re still the best band in the world.
The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was.