Ignorance of the objective world
"We cannot understand you," interrogated the couple, "We have a find command of our art, how could we not earn our living with our work? Don't make a fool of us, please." In the State of Lu, there was a couple of husband and wife, the former being an expert shoemaker and the latter a skilled hand in wearing taffeta. One day after consultations they decided to go to the state of Yue to earn a livelihood. The neighbors advised them not to go when they learned about their plan. "Don't go there," said one neighbor, "If you go, you can never earn a livelihood."