I have listened to Confucius' lectures, and I have seen Bai Qi deceive others. I have drank wine with Kong Ming and bragged with Li Bai. I am a traveler in history, and I live forever in history. I feel the general trend of rolling history and play it carefully My own butterfly effect. If I live a long time, I will naturally have some fun for myself. (This book is also called "The Ups and Downs of Two Thousand Years of Joy People", "I Die in History")