What do you think is good about the dust in Bing Xu?

In fact, this work is not about 9. 1 1 event itself, but the relationship between spiritual space and material space. What is more eternal and powerful? Today's human beings need to seriously and calmly rethink those unfamiliar but most basic and important questions-what needs to be admired and pursued? What is real power? Where is religion? Where are the origins of the existence and mutual respect of different doctrines and nationalities? This is not an abstract metaphysical proposition, but the most basic thing related to everyone alive, otherwise human beings will have problems.