—— 请按键盘 空白键 开始游戏 ——

"To write is to remember, and to remember is to live again."
The rules of morality are not the conclusion of our reason.
There is no such thing as a quality problem.
The only limits that exist are the ones you place on yourself.
"In the end, we will remember not the words of our enemies, but the silence of our friends."
数学是一门活生生的学科,随着新思想的出现而不断发展。