—— 请按键盘 空白键 开始游戏 ——

The only real prison is fear, and the only real freedom is freedom from fear.
The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.
在量子力学中,观察者与被观察的系统并不是分离的。
人类不是存在物的主人,而是存在的牧羊人。