More recently, the noted Orientalist, Robert Irwin, wrote, "this book, one of the most important books of the nineteenth century, should be much more widely read."
更近期的，著名的东方学家罗伯特·艾尔文写道：“这本书，是19世纪中最重要书籍的其中之一，它应该为更多的人所阅读。