—— 请按键盘 空白键 开始游戏 ——

人心比山川更险恶,比了解天象更困难。
"The more you try to find the truth, the more you lose it."
The market is never wrong; opinions often are.
科学中的创新往往来自于以新的方式看待老问题。
Never let age be a barrier to learning or discovery.