How could I answer the child? I do not know what it is any more than he.

VOA: special.2009.04.12

I don't know how he could not think there was a bubble, but he didn't see it.

我不知道他为何认为不存在泡沫,但是他没有看出来

耶鲁公开课 - 金融市场课程节选