—— 请按键盘 空白键 开始游戏 ——

解释:德行不够优良的人,难以有崇高的信念与理想。才能不够突出的人,难以有渊博的知识和见解。
The only limits that exist are the ones you place on yourself.
你连自己都管不好,怎么能治理国家的正事呢? 
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The only disability in life is a bad attitude.