—— 请按键盘 空白键 开始游戏 ——

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
社会主义不是一个可以由政府或政党建立的现成制度。它是工人阶级自身的产物。
"You have to be patient and trust the process."
海洋不仅仅是一种资源;保护它是我们对后代的责任。