—— 请按键盘 空白键 开始游戏 ——

The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.
在科学中最令人兴奋的短语,预示着新发现的,不是“我发现了!”而是“这很有趣……”
A good chemist is a lazy chemist—always looking for the easiest way to do things.