—— 请按键盘 空白键 开始游戏 ——

Care is a state in which something does matter.
The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.
每一次挫折都是为东山再起做的准备。
I'm not a teacher, I'm a student.
The essence of mathematics lies in its freedom.
思考是最艰难的工作,这可能是为什么如此少的人从事它。