—— 请按键盘 空白键 开始游戏 ——

Mathematics is the language with which God has written the universe.
Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
For attractive lips, speak words of kindness.
科学的进步不仅仅依赖于个人的智慧,更需要集体的合作和努力。