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...

永远在学习。世界在不断变化，你需要跟上。

"The strength of the team is each individual member. The strength of each member is the team."