—— 请按键盘 空白键 开始游戏 ——

The deepest problems in mathematics often arise from the simplest questions.
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.
人生中80%最重要的时刻发生在35岁之前。
我们就像迷失了方向的旅行者;每个人都必须向路人寻求指引。