—— 请按键盘 空白键 开始游戏 ——

这很简单,你只需拿些东西,对它做点什么,然后再做点别的。
The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.
The challenge of computer science is not just to build faster machines, but to understand the very fabric of computational possibility.
农民是最早的环保主义者——他们比任何人都更了解土地。
不过是君主不把它[爱人利人]用在政事上,士大夫也不把它付诸行动罢了。