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...
解释：国家垂危败亡，一定是因为任用了奸邪小人。
最伟大的突破往往来自意想不到的地方。
外交就是将你的敌人变成朋友，而不是将你的朋友变成敌人。
A scientific man ought to have no wishes, no affections, a mere heart of stone.
The sands in you way beg for your song and your movement,dancing water. Will you carry the burden of their lameness?
