Kindly ask: knife elder brother, grow up. Answer: = = Avenue is invisible, fertile and heartless, and the sun and the moon run; The avenue is nameless, and everything grows. Follow-up: Not bad. Which book is it from? A: Jing Ke asked: Whoever wrote it, I will adopt you. Answer: I don't know this. . There is no way to study it ... supplement: the title is "Tai Shang Lao Jun said Chang Jing Qing Jing", but I typed it wrong just now. ...