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...

I never think about the past, I always think about the next match.

In order to achieve independence, we must rely on our own strength.

入门统计学课本一开始讲的几个要点之一，就是相关性不是因果性。这也是最先被忘记的要点之一。