—— 请按键盘 空白键 开始游戏 ——

数学不是沿着一条清理得很好的高速公路小心行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
In physics, we often find that the most beautiful solutions emerge from the messiest problems.