—— 请按键盘 空白键 开始游戏 ——

Quality is not an act, it is a habit.
报纸的工作是安慰受苦的人,折磨舒适的人。
爱是用行动而不是言语来表达的。
What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."