@sakurya0410@Corbienest it is a preface of the book. It mentioned “ The culture of Japanese has never been so luxuriant as this dynasty. … ” You can read it with Google Translate and AI. Japan had a long history of using Chinese as writing language for literatures.
@sakurya0410@Corbienest It is correct. The words are Chinese. The words are a comment to a book. It means the author of the book has a very good understanding the traditional Chinese philosophy. And explain the philosophy idea with newly explanation. It is a true good work.