—— 请按键盘 空白键 开始游戏 ——

The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.
你连自己都管不好,怎么能治理国家的正事呢? 
Education is the art of making man ethical.
如果你没有至少90%的时间失败,那么你的目标还不够高。
I've learned that you can't control everything, but you can control how you react to it.