—— 请按键盘 空白键 开始游戏 ——

凯尔特人与自然有着紧密的联系,我们对自然元素怀有深深的敬意。
最好的艺术留给你的问题比答案更多。
A mathematical proof is a poem written in the language of logic.
If you're not failing occasionally, you're not pushing hard enough.