—— 请按键盘 空白键 开始游戏 ——

解释:看到兔子再回头唤猎狗,还不算太晚;跑掉了羊再去修补羊圈,也不算太迟。
The causal perspective is the key to unlocking the mysteries of the universe.
Success? I don't know what that word means. I'm happy. But success, that goes back to what in somebody's eyes success means. For me, success is inner peace. That's a good day for me.
It is silly not to hope, he thought.
我们生产的每一桶石油都应着眼于最小化我们的足迹。
Reason obeys itself; and ignorance submits to whatever is dictated to it.