—— 请按键盘 空白键 开始游戏 ——

数学不是沿着一条清理干净的高速公路小心翼翼地行进,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.
Your attitude determines your altitude.
一个好故事是那种在你读完很久之后仍然留在你心中的故事。
The best safety protocol is a culture where every worker looks out for each other.