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...
石油和天然气领域的创新不是选择，而是可持续发展的必需。
The most valuable resource in fishing is not the fish, but the wisdom to harvest them responsibly.