—— 请按键盘 空白键 开始游戏 ——

We leave behind something of ourselves wherever we have been.
"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."
爱不是有限的资源。你给予的越多,你拥有的就越多。
The better you feel an emotion, the less you can express it.
Nothing is more precious than independence and liberty.