The worldview prototype of this book is Europe in the 16th century. Although this book is a time-travel novel, it has no golden fingers, no system, and no cool writing. It is a serious political prophecy novel. Characters will be restricted by historical conditions and worldview, and may not be omniscient, omnipotent or invincible. The villain is not a mindless opponent of the protagonist. Most of the villains are smart and even come from noble families. The villain has his own unique interests. Most people have distinct strengths and weaknesses. Moreover, this book is also rich in the thoughts of Ma Zhe and the European Enlightenment. If you taste it carefully, it is very nutritious. Especially after reading the beginning of the novel, it reaches the middle and late stages. This book mainly discusses political changes and power struggles. This is the main line. The sub-line is "true" love and "beautiful" friendship.