—— 请按键盘 空白键 开始游戏 ——

真正的爱国主义不排斥对于其他人的爱国主义的理解。
True patriotism doesn't exclude an understanding of the patriotism of others.
"The past is never dead. It's not even past."
In the world of mathematics, imagination is more important than knowledge.
当你需要知识就像你在水底需要空气时,你准能得到它。