I also thought about it carefully, thinking about it day and night. Carlisle once said that the essence of all past eras is in the books. It makes one think about what Romain Rolland once said, that only turning the feeling of complaining about the environment into the power to improve is the guarantee of success. This makes one think that in life, if the six minds appear, we have to consider the fact that it appears. We all know that as long as it makes sense, it must be carefully considered