—— 请按键盘 空白键 开始游戏 ——

We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love... and then we return home.
The greatest discoveries are often the result of many small steps.
教育者的心必须是一团活生生的火焰,能够点燃年轻人灵魂的火焰。
纯数学和应用数学之间的相互作用是真正创新发生的地方。