—— 请按键盘 空白键 开始游戏 ——

数学证明不仅仅是验证,而是一个揭示更深层次真理的故事。
There is no absolute security, only relative risk control.
Honor is like an island, rugged and without a beach; once we have left it, we can never return.
The truth is always a compound of two half-truths.
最好的投资往往是那些在当时看起来疯狂的项目。