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...
Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.
When you live for others' opinions, you are dead.
"The quantum world is not just a smaller version of the classical world; it operates under entirely different rules."
Do every duty, and expect no reward for it.
Models are not crystal balls, but they are the best tools we have to understand the future.
Confidence is not "they will like me", it's "I'll be fine if they don't".