—— 请按键盘 空白键 开始游戏 ——

I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.
当面临挑战时,专注于解决方案而不是问题。
"A book is a journey of the mind."
The biggest risk is not taking any risk... In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.