Every ugly phenomenon will cause more or less social losses. Some losses are obvious, which makes people despise and spit on; But after a long time, there will be some losses, and many people can't see the harm of this imagination, so it is necessary to reveal it, which requires writers not only to have a profound vision, but also to have the ability to foresee through phenomena.

(this kind of blind delivery has caused the exhaustion of materials. Although some people say that digging underground coal is enough for the world to use for hundreds of years. But, hundreds of years later? Hundreds of years later, of course, we will become souls, or go to heaven or go to hell, but our children and grandchildren are still alive, so we should leave them some gifts. Otherwise, on the occasion of the festival ceremony, they get nothing, so they have to kowtow to each other and ask for some leftovers as a reward. This kind of reward should not be misunderstood as throwing things. It was thrown away. To put it mildly, it can be called "sending". I don't want to give examples here.

Looking at the problem from a philosophical perspective and a theoretical perspective shows the depth and breadth of thinking.