—— 请按键盘 空白键 开始游戏 ——

A mathematician is a device for turning coffee into theorems.
Failure is the best teacher. You learn by making mistakes and figuring out how to correct them.
我声明学习和教授解剖学,不是从书本而是从解剖中来。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.