—— 请按键盘 空白键 开始游戏 ——

Introspection is the only method by which the mind can be directly observed.
拼命工作,直到你的仇人问你是否招人。
The laws of physics are universal, but our understanding of them is constantly evolving.
真正的进步既要衡量经济增长,也要衡量生态系统的健康。