—— 请按键盘 空白键 开始游戏 ——

Confucious said that real knowledge is knowing the extent of one's ignorance.Aristotle and Socrates said the same thing.Is it a skill that can be taught or learned? It probably can, if you have enough of a stake riding on the outcome...
States are rational actors that seek to maximize their power and security in an anarchic international system.
林业创新不是可选的——它对生存至关重要。
Reason obeys itself; and ignorance submits to whatever is dictated to it.