—— 请按键盘 空白键 开始游戏 ——

To write is to resist the erosion of time, to fight against oblivion.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
如果你不冒险,你永远不知道自己能取得什么成就。
Sustainability isn't an option; it's a necessity for the energy sector.