—— 请按键盘 空白键 开始游戏 ——

当我累了,我就睡觉。当我饿了,我就吃饭。当我要走,你知道的,我就走。
科学不是一个人的游戏。
Stay hungry, stay foolish.
The most important single central fact about a free market is that no exchange takes place unless both parties benefit.
The problem is not that people are taxed too little, the problem is that government spends too much.