—— 请按键盘 空白键 开始游戏 ——

You have to believe in yourself when no one else does.
The most important things are the hardest to say.
The key to successful investing is to have a diversified portfolio.
The best way to learn mathematics is to do mathematics.
正直不会遭遇祸患,谦和不会损害道义。
成功是跌倒九次,然后站起来十次。