—— 请按键盘 空白键 开始游戏 ——

Success is not about the money or fame, it's about the impact you have on others.
证明的严谨性将数学与所有其他科学区分开来。
在数学中,你不理解事物。你只是习惯了它们。
The past must be respected, but not copied.
你无法管理你不测量的东西——这就是为什么透明度是可持续制造的基础。
By used books. They have the same words as the new ones. Also libraries.