—— 请按键盘 空白键 开始游戏 ——

You have to be willing to fail, to be wrong, to keep trying.
For every expert there is an equal and opposite expert, but for every fact there is not necessarily an equal and opposite fact.
国家本质上是侵略性和扩张主义的,因为它们存在于一个无政府状态的国际体系中,没有更高的权威来约束它们。