—— 请按键盘 空白键 开始游戏 ——

质量不是一种行为,而是一种习惯。
"Simplicity is the ultimate sophistication."
The greatest risk is not taking one.
The ocean does not belong to us; we belong to the ocean.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
"In the midst of winter, I found there was, within me, an invincible summer."