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...

在这个世界上，你无法选择是否受到伤害，但你可以选择由谁来伤害你。

如果心没有妄念，一切法都不会生起。