You don't want too much fear in a market, because people will be blinded to some very good buying opportunities. You don't want too much complacency because people will be blinded to some risk.
你不想在市场上有太多的恐惧，因为人们会对一些非常好的买入机会视而不见。你不要太自满，因为人们会对一些风险视而不见。