—— 请按键盘 空白键 开始游戏 ——

人类的心灵是一个复杂而迷人的主题,理解它既需要科学的严谨性,也需要一点创造力。
If you don’t make mistakes, you’re not working on hard enough problems.
The propensity to truck, barter, and exchange one thing for another is common to all men, and to be found in no other race of animals.
过去是一个异国;他们在那里的做法不同。